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DISEASES & TREATMENT
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FOOD AND CANCER
Some foods and the vitamins, minerals, and other nutrients found in them may raise or lower cancer risk. Researchers have been studying how the foods, nutrients, and eating patterns listed below are related to cancer. Plant-based foods. These foods contain naturally-occurring substances called phytonutrients. Examples include: Antioxidants. Examples include beta carotene, selenium, and vitamins C and E.…
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Acrophobia: Fear of Heights
Acrophobia is a persistent and intense fear of heights. People with acrophobia will experience panic and sudden anxiety in a variety of situations involving heights. These situations could include standing on a bridge, looking over a cliff, being on the top floor of a skyscraper, riding in an airplane, and more. It’s important to understand,…
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IMMUNITY
What is Immunity? Immunity refers to the body’s ability to prevent the invasion of pathogens. Pathogens are foreign disease-causing substances, such as bacteria and viruses, and people are exposed to them every day. Antigens are attached to the surface of pathogens and stimulate an immune response in the body. An immune response is the body’s defense system…
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LICE
Lice are tiny, wingless insects that feed on human blood. Lice spread from person to person through close contact and by sharing belongings. There are three types of lice: Unless treated properly, lice can become a recurring problem. Symptoms Head lice Common signs and symptoms of lice include: How do you treat head lice? Treatment…
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Cognitive-Behavioral Therapy
What is Cognitive Behavioral Therapy? Cognitive behavioral therapy (CBT) is a form of psychological treatment that has been demonstrated to be effective for a range of problems including depression, anxiety disorders, alcohol and drug use problems, marital problems, eating disorders, and severe mental illness. Numerous research studies suggest that CBT leads to significant improvement in…
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Anorexia
Anorexia means a loss of appetite or the inability to eat, and it can be a symptom of various diseases. When a person has anorexia nervosa, they intentionally restrict their food as part of a serious and potentially life threatening mental health disorder. This often involves emotional challenges, an unrealistic body image, and an exaggerated…
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Metabolism
Metabolism is a term that is used to describe all chemical reactions involved in maintaining the living state of the cells and the organism. Metabolism can be conveniently divided into two categories: Metabolism is closely linked to nutrition and the availability of nutrients. Bioenergetics is a term that describes the biochemical or metabolic pathways by…
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Hypothalamic dysfunction
Hypothalamic dysfunction is a problem with part of the brain called the hypothalamus. The hypothalamus helps control the pituitary gland and regulates many body functions. Causes The hypothalamus helps keep the body’s internal functions in balance. It helps regulate: Another important function of the hypothalamus is to control the pituitary gland. The pituitary is a small…
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Alzheimer’s Drug Slows Mental Decline in Trial—But Is It a Breakthrough?
Researchers are cautiously optimistic following companies’ announcement of positive results for lecanemab Some researchers are celebrating this week’s announcement that a drug candidate for Alzheimer’s disease slowed the rate of cognitive decline for people in a clinical trial by 27%. Others, however, remain hesitant, wanting to see data beyond what was disclosed in a 27…
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Dengue Fever
Dengue (pronounced DENgee) fever is a painful, debilitating mosquito-borne disease caused by any one of four closely related dengue viruses. These viruses are related to the viruses that cause West Nile infection and yellow fever. An estimated 400 million dengue infections occur worldwide each year, with about 96 million resulting in illness. Most cases occur in…