An Exhaustive Search for the Right Sunscreen
We do need to spend some time in the direct sunlight to absorb Vitamin D. Vitamin D is crucial for many bodily functions to operate optimally, but as a result of our efforts to protect ourselves against the dangerously damaging aspects of the sun's rays, many people are Vitamin D deficient. You really only need about 15 to 20 minutes of exposure per day, but that's out in the direct sun. You won't get the good kind of sun rays through glass or through sunscreens, so many people just don't ever get the rays. That being said... Notice that I said 15 to 20 minutes. If you're going to be out in the sun for longer than 20 minutes, you should wear a sunscreen. It takes about half an hour for the chemicals to soak into your skin and start to become effective, so if you apply ten minutes before you go out into the sun, you'll get your 20 minutes of unprotected sun rays before the screening kicks in. By the way, the term "sun block" is out. It is misleadin...