Reuters Health News Summary

Following is a summary of current health news briefs. Pregnant women can reduce their blood clot risk on flights

Pregnant air travelers face a higher risk of blood clots, but they can reduce their risks by walking airplane aisles, drinking water and doing calf exercises, according to a new review. For women with additional risk, doctors may recommend compression stockings and injectable blood thinners while traveling, the authors write in the Journal of Travel Medicine. U.S. diabetes patients turn to 'black market' for medications, supplies

Diabetes medications and blood-test supplies are sold, traded and donated on black markets because the U.S. healthcare system isn't meeting patients' needs, a study shows. In a survey, about half of people who participated in these underground exchanges said they do it because they lack access to the proper medications and supplies to manage their diabetes, researchers report in the Journal of Diabetes Science and Technology. China regulator approves imports of J&J's Tremfya

China has approved imports of Johnson & Johnson's Tremfya (guselkumab), the National Medical Products Administration said in a notice on Friday. The drug will be used to treat moderate to severe plaque psoriasis in adults who are suitable for systemic therapy, the administration said. E-bikes show distinct pattern of severe injuries

E-bikes and electric scooters are becoming increasingly popular in the United States, but the powered bikes carry a higher risk of severe injuries than traditional bicycles and a different pattern of injury risks compared with scooters, a recent study finds. The authors analyzed emergency department data collected from 2000 to 2017 by the United States Consumer Product Safety Commission's National Electronic Injury Surveillance System (NEISS), on injuries involving all three types of vehicles. China's top pig producing region vows to return to normal levels in 2020

China's top pig producer Sichuan province pledged to produce 60 million hogs in 2020, around levels in previous years, state media reported on Friday, after a deadly pig disease decimated the country's massive pig herd. China's pig herd is more than 40% smaller than a year ago, after African swine fever swept through the country since it was first detected in August last year. Transgender children sense their gender identities at young ages

Transgender children may start to identify with toys and clothes typical of their gender identity from a very young age, a recent study suggests. And their confidence in their gender identity is generally as strong as that of cisgender children, whose identity matches their sex assigned at birth, researchers found. Cannabis use rising faster among depressed Americans

Regular cannabis use has risen more quickly among people with depression, and they're less likely to perceive it as risky, compared with people who aren't depressed, a U.S. study suggests. Researchers examined data collected from a total of almost 729,000 people aged 12 years and older between 2005 and 2017, including any prior-month cannabis use and any depression experienced over the previous year. Almost 10 million in U.S. have faced sexual violence at work

Almost 1 in 18 women and 1 in 40 men have experienced sexual harassment in and related to the workplace, according to a U.S. study. That represents almost 7 million women and 3 million men who have reported assault, unwanted sexual contact or verbal harassment by a boss, supervisor, coworker, customer or client, the study authors report in the American Journal of Preventive Medicine.