Sharyl Bender Peterson PH.D.

In the back of the throat, there is a lymphoid group of tissues known as the tonsils. In the throat, there are four groups of tonsillar tissues, including palatine, lingual, adenoid, and nasopharyngeal. Each tonsil is covered by pink mucosa and is composed of tissue similar to lymph nodes. Pits...

Ablations are a non-medicinal and non-surgical method used to correct irregularities of the heart performance. Electrodes causing regular heart beat difficulties are eradicated through different ablation methods.These irregular heartbeats begin either in the mid-section or upper section of the...

Using breast shields will reduce radiation damage to the breast tissue in men and women who undergo CT scans of the chest, according to a new study. This small metallic piece does not affect the diagnosis, according to researchers. “This may reduce the radiation to the breast tissues by about...

A breast cancer diagnosis can come as a shock to anyone. Five years ago, Jill Goodacre Connick went in for a routine yearly check-up, and walked out with a breast cancer diagnosis.“I’ll never forget it. It was one of the hardest days of my life,” she said.She and her husband, Harry Connick...

The morning-after pill is a method of emergency contraception to prevent unwanted pregnancy. The components of these pills are levonorgestrel and ulipristal. Emergency contraception is required after unprotected sex to prevent pregnancy. One should take the drug as soon as possible after unprotected...

Lactose (milk sugar) intolerance occurs when lactose in the small intestine becomes indigestible. Milk comprises of lactose as its major carbohydrate (sugar). Lactose is also found in dairy products such as yogurt, ice cream, butter and soft cheeses. Causes of Lactose IntoleranceLactase is used in...