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The Civil Defense Caves in Dubois, Idaho, utilized as potential fallout shelters during the Cold War, are actually ancient lava tubes. Since they are easily accessible caves they have become popular family treks. In August of 1979, one such trek had a family hunting for arrowheads who instead found a headless male torso wrapped in burlap. The only clue was a dark red sweater.

A decade later, a youngster exploring the same cave found two arms and two legs, also wrapped in burlap. Naturally, the search began for a head but no luck.

The "Buffalo Cave Torso" went to the FBI and then the Smithsonian without resolution, but the Othram forensic genomics company, Idaho State University, and the Clark County Sheriff’s Office say they have solved it. 
A high body mass index (BMI), a measure of weight relative to height, has been linked to cancer, diabetes, and cardiovascular diseases, and that has led to guidelines based on low BMI, despite it being a population-level statistical correlation with little individual clinical relevance.  A large weightlifter may not be unhealthy while a thin person with a terrible diet is no role model.

A new study in JAMA Oncology increases confusion about what BMI does and does not tell us because it finds a statistical correlation between high BMI and cancer outcomes.  In clinical trials of atezolizumab, a common immunotherapy treatment for non-small-cell lung cancer (NSCLC), there was improved responsiveness to the drug in those with a high BMI.
As a new Roman emperor, your risk of death was high, but it declined as time went on, according to a new analysis. And over 70 rulers, the progression was predictable. 

Historical records show that of 69 rulers of the unified Roman Empire, 43 (62 percent) suffered violent deaths - assassination, suicide or combat. Historical accounts typically examine each death as a single, random event alongside individual contributing factors such as allegiances and wealth. The military got a bonus from a new Emperor so there were periods when turnover was linked to the financial effect, for example.
Though young people are able to obtain alcohol and drink it, their ability to buy alcohol at point of sale is almost nonexistent. That is not the case with recreational cannabis, where early adopter states have a shocking 37 percent rate of youth being able to purchase marijuana. In  recreational only cannabis stores, 71 percent were able to purchase without a valid ID showing they were of legal age. 
Sperm quality can be reduced by several lifestyle factors, like obesity and related diseases such as type 2 diabetes, but a new examination of epigenetic phenomena - gene expression changing even if the DNA sequence is not changed -  finds that even diet can impact sperm quality, and in just two weeks.

The concern is that such epigenetic changes might be able to lead to properties being transferred from a parent to offspring via the sperm or the egg. 
Any time is a good time to start exercising but a great time to start exercising is today. Share this article on Facebook first, though. 

Don't be intimidated by those people who hiss about Crossfit or their Peloton, a new study shows you have the same ability to build muscle mass as highly trained master athletes of a similar age.