Whatever your age, the effects of smoking on bone health can't be ignored. The years from childhood until age 30 are prime time for building bone mass. "If an adolescent is smoking, they will not ...

It was an important local gem trading center during the 1990s (Kane et al., 1991; Kammerling et al., 1994), though most of the dealers have since relocated to Hanoi. Luc Yen, on the other hand, is a ...