Mark has a doctors appointment today for a routine checkup. When he gets his blood pressure taken the doctor looks a bit worried. He tells Mark that his blood pressure is 141/92 at resting. Given Mark starts dieting and exercises more, will his chances of having a stroke increase or decrease?
Ans: decrease

Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead. Who will have a lower risk of developing skin cancer, Michael or David?
Ans: David

Sam lived in Chicago for many years and experienced those high humidity days during the summer, the Indian summers in October and harsh and humid winters, so he decided to move to San Diego, in a warmer and much dryer climate. Which city experiences less saturation of air with water vapor?
Ans: San Diego

David is a doctor who works for the public health department. After analyzing health data for his city, he found twenty percent of the population have myopia. He categorized them as group A. Another eighty percent didn't have myopia. He put them in group B. He now needs to devise a plan on how to tackle myopia in his city. Would group A find it easier or harder to see distant objects than group B?
Ans: harder