How do you treat a deep bruise?

My son is 11. He just had his physical. After running for two minutes, his heart rate was more than 180 beats per minute. Is this normal for a child? Should I have him checked by a heart specialist?

My 60-year-old father underwent a brain MRI. Everything was normal. However the report included the following statement: "Involutional brain changes in the form of deepening of the cortical sulci with dilatation of the surrounding subarachnoid spaces." What does this mean?

How can you tell the difference between a muscle strain and tendonitis? How long does it take either to heal?

Can running or exercise make hemorrhoids worse or cause them not to heal?

I am a 50-year-old female with a long history of depression. In the last three months, I have had an uncontrollable craving for sweets. This has increased my weight. Could this craving be related to my depression or to the medications I take to treat it?

What type of skin infections can you get from sitting in a hot tub? For example, can jock itch (tinea cruris) be spread to others in a hot tub?

What are the possible causes of sudden joint pain (knees, hips, back, elbows), malaise, and temperature elevation (100.8F) in a healthy, physically active (frequent hiker) woman?

I have developed a sudden case of peeling skin on the fingers of both my hands. It is somewhat annoying and painful. What suggestions do you have to help alleviate this problem? What could be causing it?

What exercises can help you keep your balance when you walk?

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