A bioactive extract from parched and ground garden slugs has H1-antihistamine properties which inhibited contraction of guinea pig in vitro tracheal muscle preparation and cutaneous allergic responses. These effects may be the scientific basis of a folklore use of slug material to control asthmatic attack that is most likely associated with allergy.

We examined the plasma choline concentration of sixteen women attending the antenatal clinic of the University Hospital of the West Indies and found that their fasting choline concentrations were low to normal. This may be a reflection of low choline dietary intake.