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Montreal Alouettes quarterback Johnny Manziel is tackled by the Ottawa Redblacks in Ottawa on Aug. 11, 2018. Manziel was subsequently placed under the CFL concussion protocol. (THE CANADIAN PRESS/Justin Tang)

How concussion stresses the heart, to protect the brain

Recent research shows that the heart is affected when the head takes a blow, in sports-related concussion.
Omega-3 fats can be found in many food sources, including salmon, flax seeds and walnuts as well as over-the-counter supplements. (Shutterstock)

Young adults need to eat more omega-3 fats

A new study shows that most young adults know about the connection between omega-3 fats and brain and heart health. Despite this, only two out of five reported buying or eating omega-3 foods.
This 119 million year old fish, Rhacolepis, is the first fossil to show a 3D preserved heart which gives us a rare window into the early evolution of one of our body’s most important organs. Dr John Maisey, American Museum of Natural History in New York

The first fossilised heart ever found in a prehistoric animal

For centuries, the fossil remains of back-boned animals were studied primarily from their hardened bones. Now palaeontologists can study the softer side of these ancient creatures.

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