Aren’t UV rays unhealthy?
The matter of UV exposure is one of some controversy. Although many therapeutic benefits have been attributed to UV exposure – including decreased blood pressure, lower cholesterol, and improved thyroid function, UV light has taken a bad rap in recent years as the primary cause of wrinkles, skin cancer, and cataracts. If you are going to be exposed to strong sunlight for long periods of time, you should use sunscreen to protect your skin from burning and UV-blocking sunglasses to protect your eyes. A small daily dose of sunlight on unprotected skin (and eyes) is a good idea, ensuring adequate vitamin D production and stimulating immunity. (Several studies have demonstrated that 10 minutes of unprotected exposure to natural sunlight three times a week results in fewer colds and respiratory infections.) By getting your daily dose of sunlight in the morning or late-afternoon hours, avoiding unprotected midday exposure, you can enjoy the positive benefits of UV light while minimizing the p
