Article snippet: When eyesight fails, some people become socially disengaged, leading to isolation and loneliness. By JANE E. BRODY Liliane Ploumen, a trade minister in the Netherlands, mobilized support for global family-planning groups threatened by an executive order from President Trump. By CLAUDIA DREIFUS Five women describe why they used marijuana while pregnant, and how they assessed the risks and benefits before making that choice. By CATHERINE SAINT LOUIS New research shows that what babies hear before birth and in the first months of life affects both sound perception and sound production. By PERRI KLASS, M.D. Older Americans are increasingly turning to pot to treat their aches and pains. The trend raises questions about effectiveness, safety and accessibility. By WINNIE HU Fitbits and Apple Watches and the like may have their uses, but they don’t appear to be effective in weight loss. By AARON E. CARROLL As lawmakers hear an outcry from supporters of the Affordable Care Act, there is no longer a clamor for dismantling it, Republicans say. By JONATHAN MARTIN A ban on imported food at government functions and tourist establishments is an early step to preve... Link to the full article to read more