The ability to digest the lactose in milk into adulthood emerged approximately 5,000 years ago in southern Europe.
Read MorePeople with gum disease have a greater likelihood of high blood pressure, according to a new study.
Read MoreNew guidelines suggest that milk and water are mostly the only things children aged five and under should drink.
Read MoreA large study has found that those who reported having poor oral health had a 75% higher risk of developing liver cancer.
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