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Middle-aged adults face a greater risk of catching sexually transmitted infections than ever before -- because society is unwilling to talk about older people having sex, a new study has found. Negative attitudes toward sexual health and limited knowledge of the needs of over-45s mean some older people are unaware of the dangers of unprotected sex, researchers from the UK, Belgium and the Netherlands have warned. (Woodyatt, 11/23)

A recent study determined that people over 45 years old are at greater risk “than ever before” of contracting sexually transmitted infections (STIs) due to stigma surrounding middle-aged and older individuals having sex. The University of Chichester, along with researchers from the U.K., Belgium and the Netherlands, found that negative views toward discussing sexual health and a general lack of knowledge contribute to some older people being unaware of the risks of unprotected sex. (Coleman, 11/23)

On a blustery day last December, five biotech entrepreneurs and scientists walked past the snow-draped Boston Common and entered Yvonne’s, the cozy supper club and bar, to discuss a new potential biotechnology company to fight cancer. (Saltzman, 11/23)

Hookworm is an intestinal parasite often associated with poor sewage treatment and the developing world. It was long thought to have been eradicated from the United States — until a 2017 study revealed otherwise. According to the study, more than one in three people in Alabama's Lowndes County tested positive for hookworm infection. (Davies, 11/23)