The fashion advice is generally to tighten ties so they’re tight but not too tight. from www.shutterstock.com

Research Check: do neckties reduce blood supply to the brain?

Wearing a tie that causes slight discomfort can reduce blood flow to the brain by 7.5%, but the reduction is unlikely to cause any physical symptoms, which generally begin at a reduction of 10%.
Glucosamine for osteoarthritis is one of the most commonly used complementary medicines in the western world. from www.shutterstock.com

Science or Snake Oil: is glucosamine good for joints?

There is evidence glucosamine can provide relief in osteoarthritis patients, but not enough to support its use as a preventative.
Treasurer Scott Morrison may be happy with a budget in balance by 2019-20, but the rising burden on individual taxpayers is a worry. Mick Tsikas/AAP

Rising reliance on personal income tax signals need for bolder reforms

Personal income taxpayers are shouldering more of the burden, while less revenue is coming from taxes on companies, capital and consumption. Only major reforms will change these sustained trends.
Police at the scene in Ellenbrook, Western Australia, where the bodies of a mother and her two children were found. Her 19-year-old son has since been charged with their murder. AAP/Bohdan Warchomij

Explainer: what is parricide and how common is it in Australia?

The murder of a parent by their child, known as parricide, is a relatively uncommon form of family violence. We need to know much more about it to better understand and prevent it.

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