Glossary

syphilis – an STI that is a bacterial infection, usually transmitted by sexual contact. Untreated, syphilis can cause serious injury to an unborn baby.

Peripheral arterial disease refers to a narrowing or hardening (atherosclerosis) in the arteries in the arms or legs.

See: atherosclerosis

Minimum Effective Concentration (MEC) – the lower level of a drug in the body that will still be effective.

What happens when you take a drug?

secondary mutation – see minor mutation.

publication bias – the tendency for published results to be different to other trials. For example, trials that show a positive effect are more likely to be reported and published than trials that find no effect.