Hello, health reporter Lauren Roberts here with your weekly health news update.

As you may well know, social media is a minefield of misinformation for expectant parents.

But health experts say they're increasingly concerned about influencers spruiking prenatal multivitamins and promoting unnecessary supplements on their social media platforms.

Shelley Wilkinson, senior research dietitian at the Mater Mothers Hospital, told me that many pregnant people were taking unnecessary supplements or multivitamins as a "top-up" or "just in case".

But more is not always better.

Here's what is actually recommended during pregnancy, and what you can keep scrolling past.

Also this week, blood specialist Sally Campbell says drinking too much cow's milk contributed to the deaths of three toddlers.

The toddlers developed infections — such as a virus — on top of an extreme iron deficiency anaemia caused by drinking more than one litre of cow's milk per day.

"One small virus can unfortunately be life-threatening when you've got a chronic anaemic state," Dr Campbell said.

Meanwhile, the Health Report explains how an Australian woman with a history of anorexia nervosa was able to access GLP-1 drugs through a telehealth provider, without being screened for an eating disorder.

And new guidelines for prostate cancer detection mean men under 50 and over 70 will be offered testing by their GP in an effort to improve early diagnosis.

Read on for more health stories and podcasts. If there's anything you'd like us to cover, send me an email.

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Health experts are concerned social media influencers are marketing unnecessary supplements to parents that are either ineffective or may cause harm.

New guidelines released today will change the way men are screened for prostate cancer and lead to less invasive testing.

Paediatricians across Australia are concerned about a jump in iron deficiency in young children due to too much cow's milk, and the need to better educate parents about the issue.

Private health insurers are accessing patients' confidential medical information, with some coming under fire for what has been described as "aggressive" audit practices.

With Australians asked to report long-term health challenges for just the second time in Tuesday's census, experts expect to see a rise in the number of mental health conditions.  

For Ashley Curtis, life with dissociative identity disorder left him feeling like his world was shrinking. Now, he says an NDIS decision has threatened his independence.