> Nonsmokers who avoided sun exposure had a life expectancy similar to smokers in the highest sun exposure group, indicating that avoidance of sun exposure is a

> Nonsmokers who avoided sun exposure had a life expectancy similar to smokers in the highest sun exposure group, indicating that avoidance of sun exposure is a risk factor for death of a similar magnitude as smoking. And yes, while correlation isn't causality, it's very difficult to separate sunlight exposure from a healthy lifestyle. Since we don't know exact causality, the takeaway should be this: Get regular exercise and sun exposure if you want to live a longer, healthier life. The benefits far outweigh the risk of skin cancer.