Heavy smokers may need 25 years for heart disease risk to match that of non-smokers after ...
The research indicates that heavy smokers who have smoked for at ... The researchers noted the age of the ex-smokers, how old ...
BBC10 个月
'Old smoker' giant red star discovered during 10-year galaxy study
The scientists have now found hidden stars, including a new type of elderly giant star nicknamed "an old smoker ... wider significance for the spread of heavy elements in other galaxies." ...