Grumpy Old Geeks Topics Sunscreen and sun exposure Topic Sunscreen and sun exposure 3 mentions in 1 episode The hosts debate an article about sunscreen, vitamin D, and evidence about health risks. Mentions 312: Red Hot Chili Tomatoes Jan 17, 2019 3:48 This one is called is sunscreen, the new margarine 5:04 I am an avid sunscreen wearer. 7:28 we're doing ourselves harm because we're not getting vitamin D