In fact, it's the first thing He speaks into existence. And everything was bathed in light. Light on day one, and people on day six . . . The first of those freebies is sunshine, and they go right to this South Pole saga to help us understand just how vital sunlight is for our physical AND emotional well-being. It plays a role in synthesis, which creates oxygen.
Sunlight regulates temperature and humidity at life-supporting levels.
In a moment we're certainly going to talk about overexposure and skin cancer and the warnings shared by people like Senator John McCain . . . That's the principle of sunlight killing germs. Getting out in the sun can actually heal certain diseases and help prevent infection. You get it in certain foods too, but if you just have your face out in the sun for a very moderate five minutes a day, your body gets the 400 units of vitamin D it needs right there. By the way, our bodies actually make this hormone chemical, which we call vitamin D, as sunlight touches our skin.