A study has found that tea towels that are used for multiple jobs, such as drying dishes as well as hands, could harbour harmful bacteria such as E.coli.
An extensive genetic study has suggested that clever people are more likely to have sight problems.
A Canadian study has found that some of the most commonly taken vitamin and mineral supplements, including multi-vitamins and vitamin C, don't actually provide any health benefits.
A genetic test can identify which early-stage breast cancers can be treated without chemotherapy, according to trials.
Researchers have developed an innovative new contact lens that could help people with colour blindness.