Weight & metabolic health

Sources

Every numbered claim on the overview and article pages is listed here with the exact passage it rests on. 75 passages were checked word-for-word against the saved copies listed below.

Pharmacist review pending75 verified passagesUpdated 2026-10-22

Current evidence

1

More than 2 in 5 U.S. adults have obesity, and nearly 3 in 4 have overweight or obesity.

“more than 2 in 5 adults (42.4%) have obesity”
“nearly 3 in 4 adults (73.1%) have overweight or obesity”

NIDDK (U.S. National Institutes of Health) — Definition & Facts for Adult Overweight & ObesityPassage verified word-for-word in saved copy
2

A BMI between 25 and 30 counts as overweight; 30 or greater is obesity.

“People who have a BMI between 25 and 30 are considered to be overweight. Obesity is defined as having a BMI of 30 or greater.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
3

Overweight and obesity may raise the risk of many health problems, especially with extra fat around the waist.

“Overweight and obesity may increase your risk for many health problems—especially if you carry extra fat around your waist.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
4

Nearly 9 in 10 people with type 2 diabetes have overweight or obesity.

“Nearly 9 in 10 people with type 2 diabetes have overweight or obesity.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
5

If you are at risk for type 2 diabetes, losing at least 5% to 7% of your starting weight may prevent or delay it; for someone weighing 200 pounds, that is about 10 to 14 pounds.

“you may be able to prevent or delay diabetes by losing at least 5% to 7% of your starting weight.”
“For instance, if you weigh 200 pounds, your goal would be to lose about 10 to 14 pounds.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
6

Losing at least 3% to 5% of body weight may reduce fat in the liver.

“If you have overweight or obesity, losing at least 3% to 5% of your body weight may reduce fat in the liver.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
7

Obesity is a common cause of sleep apnea in adults, and losing weight may reduce it.

“Obesity is a common cause of sleep apnea in adults.”
“If you have overweight or obesity, losing weight may help reduce sleep apnea or make it go away.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
8

Obesity is a leading risk factor for osteoarthritis in the knees, hips and ankles.

“Obesity is a leading risk factor for osteoarthritis in the knees, hips, and ankles.”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
9

Losing weight quickly raises the risk of gallstones; ask how to lose weight safely.

“But losing weight quickly also increases your risk.”
“talk with your health care professional about how to lose weight safely”

NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & ObesityPassage verified word-for-word in saved copy
10

Metabolic syndrome is a group of conditions, three or more together, that raise the risk of heart disease, diabetes and stroke.

“Metabolic syndrome is a group of conditions that together raise your risk of coronary heart disease , diabetes , stroke , and other serious health problems.”
“You may have metabolic syndrome if you have three or more of the following conditions.”

NHLBI (U.S. National Institutes of Health) — What Is Metabolic Syndrome?Passage verified word-for-word in saved copy
11

Extra fat around the stomach is a bigger risk factor for heart disease than fat elsewhere.

“Extra fat in your stomach area is a bigger risk factor for heart disease than extra fat in other parts of your body.”

NHLBI (U.S. National Institutes of Health) — What Is Metabolic Syndrome?Passage verified word-for-word in saved copy
12

About 1 in 3 U.S. adults have metabolic syndrome, and it is largely preventable.

“About 1 in 3 adults have metabolic syndrome. The good news is that it is largely preventable.”

NHLBI (U.S. National Institutes of Health) — What Is Metabolic Syndrome?Passage verified word-for-word in saved copy
13

Habits that may lead to weight gain include a lot of high-calorie, sugary and fatty foods, sugary drinks, and a lot of time sitting.

“eating or drinking a lot of foods and beverages that are high in calories, sugar , and fat”
“drinking a lot of beverages that are high in added sugars”
“spending a lot of time sitting or lying down”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
14

Not getting enough sleep is linked to weight gain; it can make you hungrier and more likely to choose unhealthy foods.

“Not getting enough sleep is also linked to weight gain.”
“Not getting enough sleep may make you feel hungrier, consume more calories, and be more likely to choose unhealthy foods and beverages instead of healthier options.”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
15

Some medicines may contribute to weight gain, including some for epilepsy, depression or psychotic disorders, insulin and sulfonylureas, some blood pressure medicines and some antihistamines.

“Medicines that may contribute to weight gain include”
“some medicines used to treat epilepsy , depression , or psychotic disorders”
“some diabetes medicines, such as insulin and sulfonylureas”
“some antihistamine medicines used to treat allergy symptoms”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
16

Some hormone conditions, such as PCOS, Cushing's syndrome and an underactive thyroid, can lead to weight gain.

“some endocrine diseases , such as polycystic ovary syndrome (PCOS) , Cushing’s syndrome , and hypothyroidism”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
17

Your chances are greater if a parent has overweight or obesity, and genes affect how much fat you store and where.

“Your chances of having overweight or obesity are greater if one or both of your parents have overweight or obesity.”
“Your genes may also affect both the amount of fat you store in your body and where on your body you carry the extra fat.”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
18

Where you live, work, play and worship also affects your weight.

“Where you live, work, play, and worship can also make a difference.”

NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & HealthPassage verified word-for-word in saved copy
19

Losing 5% of your body weight over 6 months may be a good first goal; at 200 pounds, that is 10 pounds.

“losing 5% of your body weight over a period of 6 months may be a good initial goal.”
“If you weigh 200 pounds, this would mean losing 10 pounds.”

NIDDK (U.S. National Institutes of Health) — Treatment for Overweight & ObesityPassage verified word-for-word in saved copy
20

If you already have weight-related problems such as high blood pressure or diabetes, losing weight may help.

“If you already have weight-related health problems, such as high blood pressure or diabetes , losing weight may help improve your health.”

NIDDK (U.S. National Institutes of Health) — Treatment for Overweight & ObesityPassage verified word-for-word in saved copy
21

Safe, successful programs typically include 14 or more counseling sessions over 6 months, an eating plan, at least 150 minutes a week of moderate activity such as brisk walking, and regular monitoring.

“Safe and successful weight-loss programs typically include”
“14 or more weight-loss counseling sessions conducted over 6 months”
“an eating plan based on the calories and nutrients your body needs”
“at least 150 minutes per week of moderate-intensity aerobic physical activity , such as brisk walking or cycling”
“daily monitoring of food intake and physical activity, and weekly monitoring of weight”

NIDDK (U.S. National Institutes of Health) — Treatment for Overweight & ObesityPassage verified word-for-word in saved copy
22

Weight-loss surgery may be recommended with a BMI of 35 or higher.

“Your doctor may recommend weight-loss surgery if you have a body mass index (BMI) of 35 or higher.”

NIDDK (U.S. National Institutes of Health) — Treatment for Overweight & ObesityPassage verified word-for-word in saved copy
23

Prescription weight medicines may be prescribed for adults with a BMI of 30 or greater, or 27 or greater with weight-related problems such as high blood pressure or type 2 diabetes.

“a BMI of 30 or greater”
“a BMI of 27 or greater, and you have weight-related health problems such as high blood pressure or type 2 diabetes”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
24

Weight medicines do not replace healthy eating and activity; they work best with a lifestyle program.

“Medications don’t replace physical activity or healthy eating habits as a way to lose weight. Studies show that weight management medications work best when combined with a lifestyle program.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
25

On average, after 1 year, adults taking a prescription medicine within a lifestyle program lose 3% to 12% more of their starting weight than with the program alone.

“On average, after 1 year, adults who take prescription medications as part of a lifestyle program lose 3% to 12% more of their starting body weight”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
26

Losing 5% to 10% of starting weight may lower blood sugar, blood pressure and triglycerides.

“Weight loss of 5% to 10% of your starting body weight may help improve your health by lowering blood sugar , blood pressure , and triglyceride levels.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
27

You will probably regain some weight after stopping a weight medicine.

“You probably will regain some weight after you stop taking weight management medication.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
28

Weight-loss medicines should not be taken during pregnancy or when planning one.

“If you are pregnant or planning to become pregnant, you should not take weight-loss medications, as they may harm the fetus.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
29

Discuss every medicine and herbal product you take, and do not combine weight-loss medicines with other weight-loss products unless prescribed.

“Discuss any prescribed medications, over-the-counter medications, or herbal products you take. Do not combine weight-loss medications with other products intended for weight loss, unless prescribed by a health care professional.”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
30

Never take a weight medicine only to improve how you look.

“never take a weight management medication only to improve the way you look”

NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & ObesityPassage verified word-for-word in saved copy
31

In the Diabetes Prevention Program, people at high risk aimed to lose 7% of their weight with 150 minutes of exercise a week, and lowered their chance of type 2 diabetes by 58% compared with placebo.

“Participants tried to lose 7 percent of their body weight and maintain that weight loss by eating less fat and fewer calories and exercising 150 minutes per week.”
“lowered their chances of developing type 2 diabetes by 58 percent compared with participants who took a placebo”

NIDDK (U.S. National Institutes of Health) — Diabetes Prevention Program (DPP)Passage verified word-for-word in saved copy
32

Follow-up showed the benefit continued for at least 15 years.

“continue to prevent or delay type 2 diabetes for at least 15 years”

NIDDK (U.S. National Institutes of Health) — Diabetes Prevention Program (DPP)Passage verified word-for-word in saved copy
33

Regular binge eating with a feeling of loss of control, at least weekly for 3 months, may be binge eating disorder, which is treatable.

“If you binge eat regularly—at least once a week for 3 months—and feel you cannot control your eating, you may have binge eating disorder.”
“Treatment for binge eating disorder includes talk therapy, behavioral weight loss treatment, and medicine.”

NIDDK (U.S. National Institutes of Health) — Binge Eating DisorderPassage verified word-for-word in saved copy
34

The proven ways to lose weight are healthful food, fewer calories and physical activity; there is little scientific evidence that weight-loss supplements work.

“The proven ways to lose weight are eating healthful foods, cutting calories, and being physically active.”
“However, there’s little scientific evidence that weight-loss supplements work.”

NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for ConsumersPassage verified word-for-word in saved copy
35

Makers of weight-loss supplements rarely study whether their products work and are safe.

“makers of weight-loss supplements rarely carry out studies in people to find out whether their product works and is safe”

NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for ConsumersPassage verified word-for-word in saved copy
36

Bitter orange might not be safe; it can cause chest pain, a faster heart rate and higher blood pressure.

“Bitter orange might not be safe. Supplements with bitter orange can cause chest pain, anxiety, headache, muscle and bone pain, a faster heart rate, and higher blood pressure.”

NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for ConsumersPassage verified word-for-word in saved copy
37

Tell your health care providers about any weight-loss or other supplements you take.

“Tell your health care providers about any weight-loss supplements or other supplements you take.”

NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for ConsumersPassage verified word-for-word in saved copy
38

The FDA warns that many weight-loss pills, supplements and teas are likely to contain dangerous hidden ingredients that can lead to hospitalization.

“Many products that claim to help with weight loss—such as diet pills; fat-burning pills; and weight loss supplements, pills and teas—are likely to be contaminated with dangerous hidden ingredients”
“They can lead to severe health issues and hospitalization.”

U.S. Food and Drug Administration — Weight Loss Product Notifications (hidden ingredients)Passage verified word-for-word in saved copy
39

A product missing from the FDA's warning list is not necessarily safe.

“If a product is not on the list, that does not mean it is safe.”

U.S. Food and Drug Administration — Weight Loss Product Notifications (hidden ingredients)Passage verified word-for-word in saved copy
40

Chest pain or fainting, or a racing or irregular heartbeat with dizziness or shortness of breath, after a weight-loss pill, tea or supplement — call 911.

“Supplements with bitter orange can cause chest pain, anxiety, headache, muscle and bone pain, a faster heart rate, and higher blood pressure.”

NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for ConsumersPassage verified word-for-word in saved copy
41

Chest pain or fainting, or a racing or irregular heartbeat with dizziness or shortness of breath, after a weight-loss pill, tea or supplement — call 911.

“Call 911 or the local emergency number if you have:”
“Loss of alertness (consciousness)”
“Chest pain”
“Shortness of breath”
“Dizziness or lightheadedness”

MedlinePlus (U.S. National Library of Medicine) — Heart palpitationsPassage verified word-for-word in saved copy
42

Thoughts of harming yourself — call or text 988, or 911 if you are in danger.

“If you or someone you know is thinking about suicide, call or text 988 or chat 988lifeline.org .”
“You can also call 911 or the local emergency number or go to the hospital emergency room. DO NOT delay.”

MedlinePlus (U.S. National Library of Medicine) — BulimiaPassage verified word-for-word in saved copy
43

Unexplained weight loss you are not trying for — book an appointment promptly.

“You have lost more than 10 pounds (4.5 kilograms) or 5% of your normal body weight over 6 to 12 months or less, and you do not know the reason.”

MedlinePlus (U.S. National Library of Medicine) — Weight loss - unintentionalPassage verified word-for-word in saved copy
44

Binge eating with a feeling of loss of control, or making yourself vomit or using laxatives to control weight — talk to a clinician; help is available.

“A mental health professional can talk with you about psychological symptoms and eating patterns to find out if you have binge eating disorder.”

NIDDK (U.S. National Institutes of Health) — Binge Eating DisorderPassage verified word-for-word in saved copy
45

Binge eating with a feeling of loss of control, or making yourself vomit or using laxatives to control weight — talk to a clinician; help is available.

“Contact your health care provider for an appointment if you or your child has symptoms of an eating disorder.”

MedlinePlus (U.S. National Library of Medicine) — BulimiaPassage verified word-for-word in saved copy
46

Severe upper-belly pain lasting several hours, especially after rapid weight loss — see a doctor right away.

“See a doctor right away if you are having these symptoms during or after a gallbladder attack:”
“pain in your abdomen lasting several hours”
“Certain people are more likely to have gallstones than others because of their risk factors for gallstones, including obesity and certain kinds of dieting .”

NIDDK (U.S. National Institutes of Health) — Symptoms & Causes of GallstonesPassage verified word-for-word in saved copy

Source documents

NIDDK (U.S. National Institutes of Health) — Definition & Facts for Adult Overweight & Obesity
Saved 2026-10-19 · download · SHA-256 602d6fa5f3bdc737…
NIDDK (U.S. National Institutes of Health) — Factors Affecting Weight & Health
Saved 2026-10-19 · download · SHA-256 1720741cc9fbd6d8…
NIDDK (U.S. National Institutes of Health) — Health Risks of Overweight & Obesity
Saved 2026-10-19 · download · SHA-256 d0092000737e6503…
NIDDK (U.S. National Institutes of Health) — Treatment for Overweight & Obesity
Saved 2026-10-19 · download · SHA-256 a61bad1c15af138e…
NIDDK (U.S. National Institutes of Health) — Prescription Medications to Treat Overweight & Obesity
Saved 2026-10-19 · download · SHA-256 600d6c0d7c0ea5c7…
NIDDK (U.S. National Institutes of Health) — Diabetes Prevention Program (DPP)
Saved 2026-10-19 · download · SHA-256 ef0dd86f5884b4d1…
NHLBI (U.S. National Institutes of Health) — What Is Metabolic Syndrome?
Saved 2026-10-19 · download · SHA-256 96f964856db12b94…
NIDDK (U.S. National Institutes of Health) — Binge Eating Disorder
Saved 2026-10-19 · download · SHA-256 145ab3abaacf072d…
NIH Office of Dietary Supplements — Dietary Supplements for Weight Loss — Fact Sheet for Consumers
Saved 2026-10-19 · download · SHA-256 ef2919140252dddc…
U.S. Food and Drug Administration — Weight Loss Product Notifications (hidden ingredients)
Saved 2026-10-19 · download · SHA-256 17d29c250f41ad94…
MedlinePlus (U.S. National Library of Medicine) — Heart palpitations
Saved 2026-10-22 · download · SHA-256 946b38bdb87e906f…
MedlinePlus (U.S. National Library of Medicine) — Bulimia
Saved 2026-10-22 · download · SHA-256 5a68a5e99e67407c…
MedlinePlus (U.S. National Library of Medicine) — Weight loss - unintentional
Saved 2026-10-22 · download · SHA-256 70a05566ad916ffe…
NIDDK (U.S. National Institutes of Health) — Symptoms & Causes of Gallstones
Saved 2026-10-22 · download · SHA-256 47382931bb1b77df…

Historical perspective: Dr. Majid Ali archive

Historical perspective drawn from the authorized writings of Dr. Majid Ali, preserved in the Clarkson archive. Shown for context; it is not current medical guidance.

A Calorie Is A Calorie? No, It's Your Stupid Science, Sir 2014-12-30
Source of the quoted line and his objection to "calories are calories". His insulin-toxicity mechanism is held.
Truths and Mistruths of Weight Loss 2017-08-27
His overview of the weight material; historical framing only.

Claims we deliberately did not carry

His claim that "calories are calories" is simply wrong, explained through insulin toxicity.
Current sources say taking in more calories than you use can lead to weight gain,¹³ and that sugary foods and drinks matter too. Not carried in its absolute form.
Obesity caused by "toxic rancid fats" as a single cause.
Many factors affect weight, including habits, sleep, medicines, health conditions, genes and environment.^131415161718 Not carried.
Weight plans framed as a "reversal" of diabetes or chronic disease.
Weight loss may prevent or delay diabetes in people at risk;⁵ no eating plan is presented here as a cure. Not carried.

Safety wording awaiting sign-off

The 'When to get help now' list is ProperHealth safety wording. Each line cites the official guidance it follows, and those passages are listed above with the other claims. The wording still needs pharmacist sign-off before public use.