Sep

12

2018
FDA Intensifies Crackdown On E-Cigarette Sales To Teenagers

FDA Intensifies Crackdown On E-Cigarette Sales To Teenagers

The Food and Drug Administration said teen vaping has reached epidemic proportions, prompting more than 1,300 warning letters to stores selling e-cigarettes to kids and an ultimatum to four companies. (Image credit: Steven Senne/AP)


Sep

07

2018
Family genetics vital for understanding autism progression

Family genetics vital for understanding autism progression

Research shows that the total amount of rare mutations — deletions, duplications, or other changes to the DNA sequence — in a person’s genome can explain why individuals with a disease-associated mutation can have vastly different symptoms.


Sep

07

2018
Shared lifetime of grandmothers and grandchildren significantly increased since 1800s

Shared lifetime of grandmothers and grandchildren significantly increased since 1800s

The importance of grandmothers in the lives of their grandchildren has changed. The shared lifetime between grandmothers and their grandchildren has a fundamental effect on how grandparents and grandchildren influence each other. A study conducted by biologists, based on Finnish parish registers, indicates that, in this agrarian society, the shared lifetime of grandchildren and their grandmothers was short.



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