bmj.com

x69kw TIL Americans have worse dental health than the British.
x6yl1 TIL people who smoke about 1 cig/day have about 40-50% of the excess risk associated with smoking 20/day (heart attack and stroke)
M7RLW TIL that 10+ sexual partners in a lifetime heights cancer risk in men by 70% and in women by 91%