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Early to Bed, Early to Rise; Early to Smoke, Early to Cancer


Smokers who pick up a cigarette first thing in the morning have a higher risk for developing lung and head and neck cancers, says CNN's Ben Tinker. According to new work published in the journal Cancer, smokers who smoke their first cigarette shortly after waking up have higher levels of nicotine and other tobacco toxins in their bodies and may be more addicted to cigarettes than other smokers who wait for a half hour or more after waking to light one up. "Subjects who smoked their first cigarette between 31 and 60 minutes after waking up were more than 30 percent more likely to develop lung cancer; the odds increased to nearly 80 percent for those who smoked in their first half-hour awake," Tinker says. "For head and neck cancers, subjects were more than 40 percent more likely if they indulged in the 31-60 minute window, and nearly 60 percent more likely for those who smoked in their first half-hour awake."

The Scan

Genome Sequences Reveal Range Mutations in Induced Pluripotent Stem Cells

Researchers in Nature Genetics detect somatic mutation variation across iPSCs generated from blood or skin fibroblast cell sources, along with selection for BCOR gene mutations.

Researchers Reprogram Plant Roots With Synthetic Genetic Circuit Strategy

Root gene expression was altered with the help of genetic circuits built around a series of synthetic transcriptional regulators in the Nicotiana benthamiana plant in a Science paper.

Infectious Disease Tracking Study Compares Genome Sequencing Approaches

Researchers in BMC Genomics see advantages for capture-based Illumina sequencing and amplicon-based sequencing on the Nanopore instrument, depending on the situation or samples available.

LINE-1 Linked to Premature Aging Conditions

Researchers report in Science Translational Medicine that the accumulation of LINE-1 RNA contributes to premature aging conditions and that symptoms can be improved by targeting them.