bronzer. allerigies. constipation. starbucks.
how does bronzer work?
skin is made up of two main layers: the epidermis on the outside and the dermis on the inside. Whether you are talking about sun tanning or self-tanning, the epidermis is where the action occurs. The epidermis is also made up of layers. The deepest layer of the epidermis, called the stratum basale, is affected during sun tanning. The stratum corneum is the outermost layer of the epidermis -- it is this layer that is affected by most sunless-tanning products. According to the American Academt of Dermatology, the most effective products available are sunless- or self-tanning lotions that contain dihydroxyacetone (DHA) as the active ingredient. DHA is a colorless sugar that interacts with the dead cells located in the stratum corneum of the epidermis. As the sugar interacts with the dead skin cells, a color change occurs. This change usually lasts about five to seven days from the initial application. Although gels, lotions or sprays that contain DHA are said to be the most reliable and useful, there are dozens of other types of products on the market. Tanning accelerators -- lotions or pills that usually contain the amino acid tyrosine -- claim that they stimulate and increase melanin formation, thereby accelerating the tanning process. Another popular form of sunless tanning is the bronzer. These powders and moisturizers tint or stain your skin only until they are washed off.
what makes people have allergies?
The tendency to become allergic is inherited, and the chances that you also will be allergic increase from about 50 percent when one parent is allergic to 75 to 80 percent when both parents have allergies. There's more to developing allergies than heredity. scientists at Washington University School of Medicine in St. Louis have identified a genetic mutation that appears to make people more susceptible to allergies. The immune system normally defends the body against invading agents such as bacteria and viruses. But it sometimes confuses other foreign substances such as dust mites and certain foods with harmful intruders. When allergic people first come into contact with such allergens, their immune systems mobilize to respond. First, they generate large amounts of a type of antibody -- a disease-fighting protein -- called immunoglobin E (IgE). The IgE molecules then attach themselves to mast cells in tissues and basophils in blood. When an allergen encounters the IgE, it attaches to the antibody like a key fitting into a lock. This signal tells the mast cell or basophil to release, and in some cases to produce, powerful inflammatory chemicals like histamine, prostaglandins and leukotrienes. Another key protein is interleukin-4, which induces immune cells to make IgE. If the receptor for interleukin-4 is mutated it becomes hyperesponsive when stimulated with interleukin-4, making it function better and making these people more susceptible to allergies. What you become allergic to is based on when and how much you're exposed to a substance and how much of it you're exposed to. Recent studies show that heavy exposure early in life -- before 2 years of age -- may be protective against animal allergies and asthma.
what exactly is and what causes constipation?
Constipation is defined as having a bowel movement fewer than three times per week. With constipation stools are usually hard, dry, small in size, and difficult to eliminate. Some people who are constipated find it painful to have a bowel movement and often experience straining, bloating, and the sensation of a full bowel. Constipation occurs when the colon absorbs too much water or if the colon’s muscle contractions are slow or sluggish, causing the stool to move through the colon too slowly. As a result, stools can become hard and dry. Common causes of constipation are: not enough fiber in the diet, lack of physical activity, medications,milk,irritable bowel syndrome, changes in life or routine such as pregnancy, aging, and travel, abuse of laxatives,ignoring the urge to have a bowel movement,dehydration,specific diseases or conditions, such as stroke,problems with the colon and rectum, problems with intestinal function.
where and when did starbucks originate?
The original Starbucks was opened in Pike Place Market in Seatle Washington, in 1971 by three partners: English teacher Jerry Baldwin, history teacher Zev Siegel, and writer Gordon Bowker. The company is named in part after Starbuck, Captain Ahab's first mate in the book Moby Dick, as well as a turn-of-the-century mining camp, Starbo, on Mount Rainier.