Category: Hormones

22 Nov

What You Should Know About Weight Loss Drugs

Hormones, Leptin, Metabolism, Weight Loss No Comments by Scott Isaacs, M.D.
The hormonal regulation of appetite is very strong. Willpower alone is not sufficient to overcome these biological drives. Thus, medications are increasingly being used because they can help overcome some of the biological changes that drive appetite. And there are more obesity medications available today than ever before.
22 Nov

How to Control Hunger Hormones to Lose Weight

The two primary hormones that control appetite are ghrelin and leptin. They serve as biological on/off switches. Ghrelin is mainly produced in the lining of the stomach and switches on appetite. Leptin is secreted by fat cells and turns off appetite by signaling when you’re full.
15 Oct

Why Am I Always Hungry?

Hormones, Leptin, Metabolism, Weight Loss No Comments by Scott Isaacs, M.D.
If trying to clean up your diet just leaves you more ravenous and frustrated, you’re not alone. Time to learn how your eating decisions affect your appetite a.m. to p.m.
10 Oct

3 Key Hormones for Weight Loss

weight loss scale Produced by fat cells, leptin signals to the brain how much fat is in the body, explains Dr. Scott Isaacs, medical director of Atlanta Endocrine Associates. When leptin levels are low, you tend to feel hungry, and when leptin levels are high, you tend to feel full.
09 Oct

What To Do About Borderline Thyroid Levels

Hormones, Thyroid, Uncategorized 5 Comments by Scott Isaacs, M.D.
However, some studies have found that only 5 percent of people have a TSH above 2.5 (though others say it's more like 15 percent). That is to say, being above 2.5 is statistically abnormal. And abnormalities are, by and large, how medicine decides what a disease is.
12 Aug

How to Increase Your Brown Fat

Hormones, Weight Loss No Comments by Scott Isaacs, M.D.
There are two colors of fat, brown fat and white fat. The fat we are most familiar with is white fat, which comprises most of the fat in the body. Most of the fat in our body is white fat. White fat is a storage depot for excess calories and provides insulation. White fat produces inflammation, an unhealthy situation for the body. Brown fat is a healthy type of metabolically active fat. Brown fat is named as such because it contains a lot of energy-generating mitochondria which gives rise to the color. Brown fat is considered “good” fat because it burns calories and generates body heat. There are different types of fat. Fat is actually a series of different types of tissues with different functions. The location of fat matters and that fat in the belly is the unhealthiest type of fat that leads to many of the problems we associate with obesity including insulin and leptin resistance. But location is not the only factor that distinguishes different types of fat.
28 Jul

6 Easy Ways to Boost Your Metabolism

Hormones, Metabolism, Weight Loss 1 Comment by Scott Isaacs, M.D.
Fat on Fire Yet another reason not to let your weight seesaw: You'll hamstring your metabolism. "My patients with the lowest metabolisms are the weight cyclers," says Scott Isaacs, MD, clinical instructor of medicine at the Emory University School of Medicine. "When you lose weight, you lose muscle and fat, but when you gain it back, it's mostly fat, which burns fewer calories."
13 Jul

How to Take Control of Your Cravings

Hormones, Weight Loss No Comments by Scott Isaacs MD
You swore you'd have just a few fries and give up those giant breakfast bagels. So why do your cravings still get the best of you? Forget willpower. The solutions are all in your head.
30 Jun

Not Sleeping? Circadian Rhythms are Critical for Long Term Weight Management

Hormones, Weight Loss 1 Comment by Scott Isaacs MD
Your circadian rhythm is the 24-hour clock that drives wakefulness and sleep. Disruptions to this biological clock have profound effects on our bodies and our hormones. New research has identified genes for the biological clock, known as clock genes, which may be the basis for metabolic diseases like obesity, diabetes and insulin resistance.
24 Jun

Adrenals Shot? Probably Not.

Brown Fat, Hormones, Weight Loss 14 Comments by Scott Isaacs, M.D.
Whatever you want to call it—adrenal fatigue, exhaustion, or burnout—it is not a real hormonal condition. Adrenal fatigue is a fake diagnosis that has no scientific basis. If you have been told you have adrenal fatigue, get a second opinion from a board-certified endocrinologist.
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