If you have some memory lapses, go to the doctor with a positive attitude. The fact is that many different medical conditions may cause Alzheimer’s-like symptoms. You could be suffering from the effects of a high fever, dehydration, poor nutrition, reactions to medicines, thyroid problems or a minor head injury.

• The thymus, which is located behind the breastbone, is one of the organs of the immune system. The thymus is where immune cells – white blood cells – called T lymphocytes (T cells) mature. The thymus begins to shrink when we are young adults. By middle age, it is only about 15 percent of its maximum size.

One of the surest ways to reduce your exposure to UV rays is to stay out of the sun when it is the strongest. Those times in North America are between 10 a.m. and 4 p.m. in the late spring and early summer. Other ways to protect yourself are to wear protective clothing, such as a widebrimmed hat, long-sleeved shirt and long pants.

There are many types of molds, which are fungi that thrive where it is damp and warm. They reproduce by spreading spores, asexual reproductive bodies. Spores are invisible to our eyes, and they float through outdoor and indoor air. Molds that cause allergies include Alternaria, Aspergillus, Cladosporium and penicillium.

Salmonella bacteria are microscopic living creatures that spread from the feces of people or animals. Salmonella can be found in raw poultry, eggs, beef and unwashed produce. But, any food can become contaminated. Salmonella is the most common cause of foodborne illness in the United States.

You’ll be given physical therapy exercises for at least two months. These are designed to help you bend and extend your leg. In addition to your prescribed exercises, you can walk as much as you like. Stationary bicycles are recommended for muscle tone and flexibility.

C. diff is what is called a “health careassociated infection,” which means that it is one you pick up in a hospital or similar facility such as a nursing home. About one in five hospital patients get C. diff, but only about one in three of these suffer symptoms.

In 1938, Congress passed the U.S. Food, Drug and Cosmetics Act to protect consumers. Under the law, cosmetics must be made and packaged in clean factories; they cannot contain poison, rotten or harmful ingredients; they may only use color additives approved by the U.