People with dark skin should also be cautious about sun exposure Your skin is the largest organ in your body. It protects you from the sun's harmful rays by producing the pigment melanin to darken your skin. Ultraviolet rays in sunlight destroy the melanin in your skin, which triggers your body to produce more and darker melanin. This melanin reaction to ultraviolet rays can cause sunburn or suntan. UV radiation also causes the skin to coarsen and
Marcel Voracka – Mexoryl Homework This case has to do with an ingredient Mexoryl SX that the company Loreal uses in two of their products. It is an ingredient that blocks out UVA rays from your skin, instead of only UVB rays like most other sunscreens. This is very important because UVA rays damage cells, DNA, and generate harmful free radicals, among other things. This can lead to skin deterioration and various types of skin cancer. This product has an advantage over the competition because it is one of the few and also the most effective UVA blockers on the market.
That can be easily avoided by putting sunscreen on. Sunscreen has impacted American society because it helps prevent the pain and look from
First benzophenone was introduced as a ingredient and its purpose was to absorb UVA rays. In the tests mouse skin was significantly protected from the UVA rays using this material. In the matter of testing the effectiveness of sunscreen Wiskemann and Heissen introduced the use of a water-cooled xenon high-pressure arc for the skin testing. There is increasing evidence the UVA radiation can cause chronic skin damage in healthy people who are exposed to the sun. Therefore the search for a UVA absorbing agent has been the research of that is of greatest concern.
Hydrogenation also extends the shelf life of these fatty acids, and preserves them through better stabilization. “When the hydrogen’s are on opposite sides of the double bond, called the trans configuration, the fatty acid is a trans fatty acid.” (Grosvenor & Smolin, 2006) Trans fatty acids can increase your risk of heart disease. Saturated and trans fats are considered the worst for your health due to the proven increased risk of cardiovascular disease, including stroke, and high cholesterol levels according to the American Heart Association (2010). Monounsaturated and polyunsaturated fats are better for your diet, and contain some of the best fatty acids, Omega-3 and Omega-6 fatty acids. These lipids can actually help reduce your risk of heart disease, and cholesterol related health
Niacin can lower high cholesterol levels and potassium has been shown to lower high blood pressure and to reduce the risk of heart disease. Vitamin B6 and folate also work to convert the homocysteine in our bodies into harmless molecules. High levels of homocysteine are associated with an increased risk of heart attack and stroke. The fiber in tomatoes also helps lower cholesterol levels, helps prevent colon cancer, and helps to keep blood sugars at a low level. Tomatoes are a source of riboflavin, which has been shown to be helpful for migraine sufferers by reducing the frequency of their
This water has an alkalizing effect on the body helping to counteract and balance the acidifying foods. This water has a miracle effect on the body research shows the this water can improve circulation improve and lower elevated blood pressure while lowering the risk of heart disorders; like heart attacks and strokes. Because coconut water improves blood circulation, it
Coupled with more insulation, this means the animal would need a lower respiration rate in order to survive, thus helping to preserve fuel sources. The dense number of carbon to carbon and carbon to hydrogen bonds in lipids makes these molecules energy rich and so they can act as useful fuels. A fuel is any substance that releases energy in a useful form when reacted with oxygen. Hydrolysis of triglycerides by lipase enzymes in adipose tissue releases fatty acids which can be converted to respiratory substrates
My fourth point is that when a person is tanned it means that they are getting enough sun and vitamin D. The sun is vital for good health and people that spend time in the sun are healthier than people that don’t. Sunshine boosts serotonin levels and decreases melatonin in people to make you more energized and happy [The Hearst Coorpation 2015] and the warmth from the sun can also relive
The purpose of our experiments was to observe the effects of each variable to twenty Porcellio scabers. Recalling that they are typically found in moist areas, it can be hypothesized that they will show a positive hygrotaxis response to the half wet of the towel. This hypothesis was predicted by that they like to keep their gills moist, while on the other hand the dry half would not be able to provide any moisture. Furthermore, light intensity might also have an effect on their responses to their stimuli because light produces heat, therefore evaporating the moisture from the cloth. With this in mind, the Porcellio scaber would probably