A $40B guess on Tylenol; long-term melatonin use; each day vaping doubles amongst U.S. teenagers – Morning Medical Update

A $40B bet on Tylenol

Kimberly-Clark will purchase Kenvue, the Johnson & Johnson spinoff behind Tylenol, Band-Aid and Neutrogena, in a deal price as much as $48.7 billion. The merger creates a client well being powerhouse however comes as Kenvue faces lawsuits and political scrutiny over unproven claims linking acetaminophen use in being pregnant to autism. President Trump and Health Secretary Robert F. Kennedy Jr. have amplified these considerations, although regulators keep proof stays inconclusive. Despite investor unease, Kimberly-Clark is betting that Tylenol’s trusted identify — and a $32 billion model portfolio — will endure past the controversy. The New York Times has extra.

Long-term melatonin use

Extended use of melatonin dietary supplements could carry cardiovascular dangers, based on preliminary findings to be introduced on the American Heart Association’s Scientific Sessions 2025. Researchers analyzed 5 years of digital well being data for greater than 130,000 adults with insomnia and located that those that used melatonin for at the least a yr had been almost twice as more likely to develop coronary heart failure and three.5 occasions extra more likely to be hospitalized for it in contrast with non-users. The melatonin group additionally confirmed increased all-cause mortality (7.8% vs. 4.3%). Investigators cautioned that the observational design can’t set up causation, however the outcomes problem the notion of melatonin as a innocent, “natural” sleep help.

Daily vaping doubles among U.S. teens

Even as general youth vaping charges have fallen, adolescents who proceed to vape have gotten extra closely addicted, based on new analysis from the Keck School of Medicine of USC revealed in JAMA Network Open. Between 2020 and 2024, the proportion of minor vapers who used e-cigarettes each day almost doubled — from 15.4% to twenty-eight.8% — and the share who tried however did not give up rose from 28.2% to 53%. Researchers analyzed information from greater than 115,000 college students in grades 8, 10 and 12 nationwide and located a pointy improve in each day vaping, significantly amongst rural teenagers.