Dr. Mary L Coan M.D.

IntroductionHormones are a special kind of chemical messengers in the body that are created by the endocrine glands. These chemical messengers control and coordinate complex processes in the body, such as growth, metabolism, fertility, and reproduction. Hormones can also influence the body's immune...

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

Blisters can occur for numerous reasons. Although they are not often serious, the appearance of blisters itself can be very off-putting. A blister is a fluid-filled bubble that develops under the skin. The watery liquid under the blister is often clear, which is called serum.When blisters break, the...

Diarrhea is a condition characterized by loose or watery stools that occur more than three times a day. Typically, the condition lasts for about two to three days and then resolves on its own. The symptoms of diarrhea include watery stools, bloating, stomach cramps, gas, and nausea.Diarrhea can lead...

Dehydration happens when your body loses fluids more than the amount that you have taken in, especially water. You can develop dehydration by sweating a lot, by urinating too much, or it can also occur due to an inadequate absorption of water to your body due to certain illnesses. All of these...

What are night sweats?Night sweats are also called as nocturnal hyperhidrosis, which means excessive sweating during the night. Night sweats are episodes of continuous sweating at night even when the environmental temperature is very cold. Some people may sweat so extensively that they might find...