USATODAY.com - Study: Being even a little overweight may shorten life:"People who were overweight at 50 (1-29 lbs over normal weight) had a 20% to 40% higher risk of death than normal-weight people ( Read more... )

Nicotine fuels growth of established tumors - Yahoo! News:Nicotine functions like a growth factor, by binding to nicotine receptors on bronchial cells as well as on lung cancer cells.

Venom protein may lead to brain cancer cure - Yahoo! News: A synthetic version of a protein found in the venom of giant yellow Israeli scorpions targeted tumor cells but did not harm the healthy cells of brain cancer patients.

BBC NEWS | Health | Sun kills 60,000 a year, says WHO:As many as 60,000 people a year die from too much sun,
warns the World Health Organization.

Wikipedia reports that the WHO's The world health report 2004 gives the total deaths in 2002 as 57,029,000. Hence roughly 1 in 1000 people who die can blame the sun, according to WHO.