You may experience sore or stiff muscles for a number of reasons, from intense workouts, rheumatoid arthritis, fibromyalgia, an underactive thyroid, vitamin D deficiency or just the normal aging process when muscles become weaker and less...
Vitamin D is a class of compounds that are essential nutrients. Sunlight and diet are main sources of Vitamin D. Vitamin D3 is a form of vitamin D that is made in our skin upon exposure to sunlight. The inverse correlation between sun exposure and...
As you age and your skin loses elasticity, it is normal for wrinkles to develop. While some wrinkles are caused by the normal aging process and genetic factors beyond your control, many wrinkles are caused by lifestyle factors that you can change....
Vitamin D is a nutrient your body needs to promote calcium absorption, which supports bone growth and repair. It also plays a role in immune function and reduces inflammation in your body. Individuals aged 1 to 70 require 600 international units...
Moles are bunches of pigmented cells that can appear almost anywhere on the surface of your skin. The medical term for moles is nevi. Moles are harmless in most cases and but in rare instances your moles can develop into skin tumors. Moles can be...
Solar radiation or sunlight is the main source of vitamin for humans. Sun exposure has been linked to skin cancer risk. Researchers in the "Proceedings of the National Academy of Sciences" asked whether increased sun exposure leads to net health...
With a swirl of information about the negative effects of sun exposure, you might be led to believe that none is better than any. Truth is, though, that while sun exposure can indeed cause negative effects in large amounts, proper amounts of sun...
Exposure to the sun has a number of negative results, including premature aging skin and wrinkles, age spots and an increased risk of skin cancer. Doctors at the Cleveland Clinic report that over time, the sun's ultraviolet (UV) rays damage the...
Sunburn results from damage to the skin caused by ultraviolet rays. The University of Wisconsin, Madison, states that skin cancer, which can be caused by excessive sun exposure, is the most common and preventable type of cancer. In order to...
Aside from the immediately obvious damage caused by a severe sunburn, the skin can also accumulate sun damage over time. Ultraviolet light--particularly UVA and UVB rays--is the primary cause of sun damage to the skin. Sun damage is cumulative,...
If you are fair skinned and plan to vacation in a more tropical climate than you're used to, you could be at risk for developing heat rash. Heat rash or prickly heat causes the skin to become red, swollen and blotchy and is often itchy and...
Vitamin D deficiency, skin cancer and sun exposure have become major health concerns and hot topics among researchers and physicians over the last few years. With many dermatologists promoting sunscreen and avoidance of sun exposure in order to...
If you have fair skin, you know how challenging if can be to care for it. Makeup, tanners and other products are typically made for a medium skin tone, so you may not know what's best for your skin. Luckily, because of warnings about skin cancer...
Sun exposure can damage skin in several ways, especially if sun exposure occurs repeatedly over many years. Ultraviolet rays from the sun can damage your skin. Between 50 percent and 80 percent of lifetime skin exposure to the sun occurs before...
Senior skin care involves a greater degree of health care than may have been necessary in the younger years. As elderly skin tissue thins and becomes more sensitive, it is common to experience frequent dry skin conditions. These can be made worse...
Your skin tone is affected by several factors including your genetics, the environment and the melanin in your skin. Both indoor and outdoor environments influence your skin tone. Melanin is a pigment which gives your skin its color; it also has...
Exposure to the sun for a prolonged period may cause bumps on your skin. Depending on the resulting condition, your may experience some discomfort associated with the bumps. This discomfort may range from a minor irritation, like itching, or can...
Retinol is preformed vitamin A from animal sources, such as eggs, milk and liver. Being preformed, it is the easiest absorbed and most useful form of the vitamin, according to the National Institutes of Health's Office of Dietary Supplements....
Sunscreen doesn't block the sun from sending vitamin D and causing vitamin D deficiency. However, sunscreen use can lead to vitamin D deficiency if you don't expose your unprotected skin to sunlight. The sun emits ultraviolet light that activates...
Ultraviolet, or UV, radiation is, basically, sunlight. There are three types of ultraviolet light: ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC). UVC light is absorbed by the ozone layer, but UVA and UVB rays reach the earth,...
Sunlight is not good for your skin. The sun ages your skin prematurely, increases your risk of cancer and dilates blood vessels under the skin. The sun may make you look good for a short length of time; however, the damage becomes apparent in the...
Ultraviolet radiation (UV) from the sun can damage DNA, the building of genetic material, and the overall health of skin cells. These UV rays cause suntan and sunburn. Prolonged exposure to the sun can lead to premature skin aging and skin cancer....
Vitamin D is an essential nutrient that the body needs for healthy bones and muscles. While easily treated, deficiency can sometimes cause serious health problems. A recent study published in the March 23, 2009, issue of "Archives of Internal...
Discolorations on the forehead are not uncommon. In fact, it is likely you will develop one at some point in your life, either as a temporary discoloration caused by sun exposure, or through a more permanent darkening or lightening of the skin....
Although it's healthy for children to play outside, you must make sure that they're protected from the sun. A study published in the April 2000 "Journal of School Nursing" says that 80 percent of lifetime exposure to the sun occurs before the age...
You wear sunglasses to protect your eyes from the sun's glare--so why shouldn't your kids? According to the Skin Cancer Foundation, children under 10 are more at risk for eye damage from the sun's rays than pre-teens and teens. That's because...
Normal, healthy gums are light pink, slightly firm to the tough and painless. When infectious organisms gain access to the gums, it can cause soreness in the gums that may be accompanied by abnormal bleeding. Sore gums may also be an early...
Changes in your skin are the most apparent signs of the aging process. Aging skin is thinner, more prone to wrinkling and takes more time to heal after an injury, according to the American Academy of Dermatology (AAD). A person's level of skin...
A true absence of vitamin D in your body is not physiologically possible. Without vitamin D, your body would not be able to maintain your bones, fight infections, manage your blood sugar or regulate your blood pressure. However, you can have a...
Childhood cancers are hard to indentify, but seventy five percent of childhood cancers can be cured. Learn about childhood cancers in this video.
