Are you worried about getting cancer from the sun  rays? Then, put on your thinking cap and believe mother nature than your dermatologist. Of course, that doesn't mean you get sunburned. Various studies show that there is a linkage between cancer and those who get sunburned. Therefore, try and avoid staying in the sun for long just because you have a sunscreen slathered on. Wear proper clothes that would protect your skin from harmful sun rays.

The most common areas where  melanoma can appear are on the backs of men and inner thighs of women. Remember that usage of sunscreen wouldn't reduce the risk involved with melanoma. Though, few of the recent studies reveal that sun exposure actually decreases the risk of melanoma. So, people must intake appropriate dose of sunlight.

There have few reports suggesting that  Vitamin D toxicity due to sun exposure.  Hence, sun is best source to avoid vitamin D deficiency. In case you are unable to get enough sun try supplements. Make sure you consume these supplements within safety margin. A minimum quantity of 400 IU per day has been set by the government.  Various diseases like Williams Syndrome, sarcoidosis, hyperparathyroidism, cancers are some of the few risks involved with high consumption of supplements.

Some of the common symptoms of  high dosage are:

• vomiting
• nausea
• diarrhea
• constipation
• nervousness and more.

Hence, if you are bothered about toxicity consult a nutritionist or a qualified physician. Generally, blood test help determine vitamin D, calcium and the parathyroid ratio in a human body. An ideal level for vitamin D range between 30-50 ng/ml. Blood level of  50 ng/ml can be achieved by sunshine alone. Patients above the age group of 12 years and  8.5-10.5 mg/dl of serum calcium  indicate vitamin D toxicity.