Darwin officially published his theories in On the Origin of the Species in 1859. He knew his views would be controversial, especially with those who believed heavily in religion. His first edition of the book did not talk much about human evolution, but did hypothesize that there was a common ancestor for all life.
DONT EAT TUNA WHILE YOU'RE PREGNANT. Tuna are the big fish of the sea and because of this they end up having much more mercury in their meat. You don't want to hurt your unborn child for something as silly as enjoying a sandwich.ONT EAT TUNA WHILE YOU'RE PREGNANT. Tuna are the big fish of the sea and because of this they end up having much more mercury in their meat. You don't want to hurt your unborn child for something as silly as enjoying a sandwich.
Tuna sushi Photo Credit ValentynVolkov/iStock/Getty Images. Tuna is a rich source of omega-3 fatty acids, compounds that may decrease the risk of a variety of medical problems. However, tuna may contain high concentrations of contaminants like mercury. Health professionals advise you should eat tuna and other omega-3 rich fish regularly, but warn that eating tuna every day may pose risks for certain people, including pregnant and nursing women and women trying to become pregnant.