Overview Arsenic is as a gray-appearing chemical element (atomic number 33, symbol as in the periodic table) also called a metalloid. Arsenic may exist in three forms (yellow, black, and gray; predominating gray) and ionic forms in a metallic state. Arsenic is considered a heavy metal, and other heavy metals share some of the characteristics […]
Overview An arrhythmia is a problem with heartbeat rates or rhythms. The heart can beat too quickly, too slowly or at an abnormal rhythm during an arrhythmia. The condition is called tachycardia when a heart beats too fast. The condition is called bradycardia when a heart beats too slowly. Arrhythmia is caused by changes in […]
Jet lag can happen when the patterns of sleep-wake are disrupted. A person may feel somnolent, tired, irritable, lethargic and somewhat disoriented. This may be the result of going across time zones or performing shift work. The more time zones a person crosses in a short period, the more serious the symptoms can be. Jet […]
What is Angioedema? Angioedema is a type of swelling, which can become extreme, in the deep part of the inner layer of the skin and below. In some cases, this swelling occurs along with the appearance of hives. For this reason, angioedema is sometimes called “giant hives.” Hives are itchy and raised, red welts which […]
Overview The medical term for a lazy eye is “amblyopia.” Amblyopia occurs when one eye is favoured by your brain, often because of poor vision in the other eye. Your brain can eventually ignore signals from your weak eye or “lazy” eye. The condition may result in impairment of vision, and loss of perception of […]
Adenoviruses are a group of common viruses that infect the eye, air and lung lining, intestines, urinary tract, and nervous system. They are common causes of fever, cough, sore throats, pink eye and diarrhoea. Infections occur more frequently in children than in adults, but anybody can get them. Around the time they are 10, most […]
Overview A boil is a painful, pus-filled lump that forms under your skin when bacteria invade one or more of your hair follicles and inflame them. A carbuncle is a cluster of boils that form a related infection area underneath the skin. Boils (furuncles) usually begin as red, tender bumps. The bumps fill up with […]
Overview A bunion is a bony bump at the base of your big toe which forms on the joint. It occurs when any of the bones those are in the front of your foot move out of place. It causes the big toe tip to be pushed toward the smaller toes, which allows the joint […]
Overview Bulimia (boo-LEE-me-uh) Nervosa is a severe, often life-threatening eating disorder generally called bulimia. People with bulimia that secretly binge — consuming large amounts of food with a lack of control over consuming — and then purge, trying to unhealthily get rid of the extra calories. People with bulimia may use different methods to rid […]
Overview Atopic dermatitis (eczema) is a disease that brings red and itchy skin. It’s normal in kids but can happen at any age. Atopic dermatitis is long-lasting (chronic), and has a propensity to flare periodically. It can come with asthma or hay fever. No treatment for atopic dermatitis has been found. But therapies and steps […]
