Every organ in the human body is made up of a mixture of cells that cooperate to support the functions of that organ. For example, the heart contains cardiac muscle cells that enable it to pump and nerve cells that transmit...
Read MoreRett syndrome is a disorder of the nervous system that has some of the same characteristics as autism. Both diseases strike at an early age, and a loss of language and social interaction are common in both. Like autism,...
Read MoreIntroduction The Basics Key facts about tobacco, including its history, uses, and effects What is tobacco? What are the different ways in which tobacco is consumed? What are tar and nicotine? Diagnosis Addiction and the...
Read MoreDepression is the commonest illness of all: 40% of the population will experience this condition at some time in their lives. It may be mild or severe. It can be a brief phase in someone’s life, or can lead to prolonged personal...
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When our daughter Sandra was a teenager, she occasionally got blemish breakouts on her...
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