The techniques I will mention here should not substitute for seeing a doctor about a medical problem. Relaxation techniques are generally considered safe for healthy people, but you should tell all your health-care providers about relaxation methods you are considering.

The outer layer of the tear film, which is produced by small glands on the edge of your eyelids, contains fatty oils. These smooth the tear surface and slow evaporation of the middle watery layer. If your oil glands don’t produce enough oil, the watery layer evaporates too quickly, causing dry eyes.

Lyme disease can cause fever, headaches, fatigue, joint pain, sore muscles, stiff neck and a skin rash that usually begins where the tick dug in. The rash may start out as a small red spot that can get bigger. A ring within the spot can fade and create a “bull’s eye.

Does it work? St. John’s wort is not a proven therapy for depression. There is some scientific evidence that St. John’s wort helps in the treatment of mild to moderate depression. However, there have been two major studies that showed St. John’s wort is no better than a placebo for treating moderate depression.

There are two types of steroids: corticosteroids and anabolic steroids. Corticosteroids, such as cortisone and prednisone, are drugs that help control inflammation. Anabolic steroids, such as androstenedione or andro, are substances that can help the body make muscle.

Glaucoma can develop in one or both eyes. The most common type of glaucoma starts out with no symptoms. Without treatment, people with glaucoma will slowly lose their peripheral vision. Eventually, the middle of your vision field may decrease until you are blind.

You can get osteoarthritis in any joint, but it usually strikes those that support weight. Common signs of osteoarthritis include joint pain, swelling and tenderness. However, only a third of people whose X-rays show osteoarthritis report any symptoms..

Understanding sunscreens.