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Peptic ulcer
A peptic ulcer is an ulcer of one of those areas of the gastrointestinal tract that are usually acidic. A more general term, peptic ulcer disease (PUD), is also in use. Most ulcers are associated ... > more -
Chromosome
The DNA which carries genetic information in cells is normally packaged in the form of one or more large macromolecules called chromosomes. A chromosome is, minimally, a very long, continuous piece ... > more -
Flatulence
Flatulence is the presence of a mix of gases known as flatus (lat. flatus = "wind") produced by symbiotic bacteria and yeasts living in the gastrointestinal tract of mammals. The average human ... > more -
Methamphetamine
Methamphetamine (also referred to as methylamphetamine or desoxyephedrine) is a synthetic stimulant drug used for both medicinal and recreational purposes (the latter use is illegal in most ... > more -
Sleep Disorder Research
Insomnia Research
Healthy Aging
Attention Deficit Disorder
Diseases and Conditions
Heart Disease
Sleep apnea
Sleep apnea, sleep apnoea or sleep apnœa is a sleep disorder characterized by pauses in breathing during sleep. These episodes, called apneas (literally, "without breath"), each last ... > more -
Air pollution
Air pollution is a broad term applied to any chemical, physical (particulate matter), or biological agent that modifies the natural characteristics of the atmosphere. The atmosphere is a complex, ... > more -
Hearing impairment
A hearing impairment is a decrease in one's ability to hear (i.e. perceive auditory information). While some cases of hearing loss are reversible with medical treatment, many lead to a permanent ... > more -
Breast cancer
Breast cancer is cancer of breast tissue. Worldwide, it is the most common form of cancer in females, affecting approximately 1 out of 11-12 women at some stage of their life in the Western world. ... > more -
Medical Imaging
Pregnancy and Childbirth
Healthy Aging
Sports Medicine
Today's Healthcare
Attention Deficit Disorder
Medical ultrasonography
Medical ultrasonography (sonography) is an ultrasound-based diagnostic imaging technique used to visualize muscles and internal organs, their size, structure and any pathological lesions, making them ... > more -
Psychoactive drug
A psychoactive drug or psychotropic substance is a chemical substance that acts primarily upon the central nervous system where it alters brain function, resulting in temporary changes in perception, ... > more
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