Everybody loves a home-cooked meal, but what if your stove was slowly poisoning you? Then, if you were born 200 years ago, you’d be lucky to celebrate your 40th birthday. Plus, researchers have cured diabetes in mice by putting insulin-producing cells into a tiny device. Then, older people who have trouble falling asleep are more likely to have cognitive troubles later. Also, a study showing that smartphones should have a bedtime too. And finally, 25 percent of adults say they simply don’t want children… and they’re perfectly happy.