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Cuts to the Human Genome Research Institute’s communication offices left a bioethics vacuum. (Molteni and Oza, 12/18)

Videogame executive Xu Bo, said to have more than 100 children, and other elites build mega-families, testing citizenship laws and drawing on nannies, IVF and legal firms set up to help them. (Long, Foldy and Wei, 12/13)

Guardian says its products can’t eliminate the risk of concussions, and some researchers have cast doubt on whether the helmet covers do much to prevent head injuries at all. Still, high schools across the country are giving them a try. (Lovinger, 12/17)

The same global food system that is fueling rising obesity rates is also accelerating climate change, according to a sweeping new scientific review that argues both crises share common roots and solutions. The review, published Thursday in Frontiers in Science, links the rise of ultra-processed foods and beef-heavy diets to worsening health outcomes and growing environmental damage. (Valliyil, 12/18)

Gov. Newsom called for 'accountability' on homelessness with CARE Court. Three years later, the state has rarely compelled mental health treatment. (Yu and Yee, 12/17)

Ronda Deplazes thought Gov. Newsom’s CARE Court could save her son as he struggled with mental illness. Two years later, she and other families say little has changed for them. (Wiener, 12/17)