The research team suggests there may be a genetic link to both pre-eclampsia and cancer.

BBC: NEWS | Health | Pregnancy disorder link to cancer

"This substantial research suggests a genetic link between cardiovascular disease and pre-eclampsia, " a spokeswoman said.

BBC: 'Pregnancy crisis' link to heart disease

While scientists have discovered a genetic link to depression, others are also looking into brain chemistry for clues to depression.

CNN: Research on depression shows genetic and chemical link

Symptoms can even begin in the 30s, 40s or 50s, and in some cases there is a clear genetic link.

CNN: Celebrating Thanksgiving with 'Generation Alzheimer's'

Dr Hunt's team bred the killer bees with European bees in an attempt to establish a genetic link to the attacks.

BBC: Sci/Tech

There is a strong genetic link - a baby is 30-40 times more likely to develop cleft lip and palate if their elder brother or sister was also born with the condition.

BBC: Folic acid 'cuts cleft palate risk'

Living in Shropshire and until then unaware of their genetic link to a Valentine milestone, Sir Charles Buckworth-Herne-Soame, his wife Lady Eileen, their son Richard, his sister Mary Edwards, husband Keith and son Rob recently saw the missive for the first time.

BBC: First Valentine: Lasting legacy of 500-year-old love

But it added there appeared to be a link but the vaccine "is likely to have interacted with genetic or environmental factors which might raise the risk of narcolepsy, and that other factors may have contributed to the results".

BBC: Narcolepsy link to swine flu vaccine investigated

Supporting past evidence, a new study finds a strong link between the age of the parents (especially the father) and the number of genetic mutations in the child.

FORBES: Parental Age, Especially The Father's, Is Linked To Genetic Mutations In The Child