Some over the counter medications have helped people treat symptoms of chronic fatigue syndrome. Learn more about these drugs....

What are the benefits of balanced energy levels? Balanced energy levels boost your immune system, improve sleep, and enhance productivity. Learn more from our experts about the benefits of balanced energy levels....

Can being overweight lower my testosterone levels? Extra fat on the body acts like a sponge, taking testosterone out of the blood and reducing libido, energy and other male-related characteristics. Learn more from our experts about testosterone levels...

What can prevent miscarriage in women with polycystic ovarian syndrome? The best way to prevent miscarriage in women with polycystic ovarian syndrome is to normalize hormone levels to improve ovulation. Learn more from our experts about PCOS....

What is energy imbalance? Energy imbalance means that people are not naturally creating or using energy throughout the day. Learn more from our experts about energy imbalance....

Can shellfish lower blood sugar levels? While seafood is not known to lower blood glucose (sugar) levels, it is true that foods that take time to eat, can help you eat less quickly. Learn more from our experts about blood sugar levels....

Exercise causes your brain to turn up production of brain chemicals known to have antidepressant effects, boosting energy. Learn more from our experts about exercise and energy....

What are the different forms of energy in the body? Energy is stored in foods and in the body as chemical energy. Learn more from our experts about the different forms of energy in the body....

How does my body use energy during exercise? Muscles get energy to propel you along by tapping into your muscle glycogen. Learn more from our experts about how your body uses energy during exercise....

How do I determine my fitness level? There are three exercise factors that reveal a lot about a person's risk of death and disability -- in other words, his or her RealAge (physiologic age). Learn more from our experts about determining fitness level....

How does the body produce energy when I exercise? The body has several different ways of providing energy during exercise. Learn more from our experts about energy....

What energy systems am I using when playing football? Overall energy demands of a football game are mainly aerobic, but individual plays access the anaerobic system. Learn more from our experts about energy systems you use when playing football....

What is the relationship between heart rate and fitness level? The relationship between heart rate and fitness level is variable for individuals. Learn more from our experts about heart rate and fitness level....

What can I do to increase hemoglobin/hematocrit levels before donation? Replenish iron levels by eating more high-iron foods or taking supplements. Learn more from our experts about increasing hemoglobin/hematocrit levels before donating blood....

Besides our fat, where else does your body store energy? Body fat is the long-term form of energy storage for your body. Learn more from our experts about energy....

What is a deep cleanse that will help boost my energy? There is an 8-day deep cleanse that will help boost your energy. Learn more from our experts about deep cleansing to boost energy....

Emergency departments are categorized into five levels of care. Learn more from our experts about emergency room levels....

What is punch drunk syndrome? Punch drunk syndrome, or dementia pugilistica, or boxer's syndrome is also called chronic traumatic encephalopathy (CTE). Learn more from our experts about punch drunk syndrome....

Menstruation, tampons, intercourse, douching and menopause or pregnancy cause vaginal pH levels to increase. Learn more from our experts about vaginal pH levels....

Stay away from supplements that increase cortisol levels, like ephedra, guarana, yohimbe and caffeine. Learn more from our experts about ways to lower your cortisol level....

What energy systems am I using when playing volleyball? The energy system demands in volleyball are both aerobic and anaerobic. Learn more from our experts about volleyball....

What is a low-level exercise tolerance test after a heart attack? The goal of this limited exercise test is to determine whether you are able to resume a reduced level of physical activity at home. Learn more from our experts about exercise tolerance ...

What should my cholesterol levels be if I'm a woman? The National Cholesterol Education Program defines a "desirable" total cholesterol level as less than 200 mg/dL. Learn more from our experts about cholesterol....

If a blood or urine test administered by your physician has confirmed that you have low levels of sodium you have options. Learn more from our experts about sodium levels....

What should my hemoglobin A1C levels be if I'm pregnant and have diabetes? If you have diabetes and are pregnant your A1C levels should be as close to normal as possible. Learn more from our experts about being diabetic and pregnant....