A survey of smoking habits among the students attending the Student Health Clinic for various ailments showed:
(1) Smoking in women is very uncommon (only 2 out of 79; 2.53%)
(2) About 30% of men smoke (106 out of 322; 32.9%)
3. The majority of these had commenced smoking before they entered the university.
4. The majority smoked filter tipped brands.
5. Where the mothers in the family smoked, the sons seem to take to smoking more readily.
6. Knowledge of the effects of smoking on health was poor, but equal in all three groups viz in women and in both smoking and non-smoking men.
The mosquito Anopheles balabacensis balabacensis has been identified as a natural vector of at least two species of simian malaria in the monsoon forests of the northern Malay States. This mosquito is also a serious vector of human malaria from Viet Nam to northern Malaya. This is the first report of a mosquito which transmits both human and simian malaria in nature.