Six stubborn myths about cancer

David Robert Grimes: The internet is awash with misinformation about cancer, with potentially tragic consequences for patients

What do we really know about the effects of screen time on mental health?

Pete Etchells: A recent briefing from Public Health England warns that too much screen time is causing emotional problems in children. But is it that simple?

Can drinking too much coffee kill you?

Suzi Gage: A new study reports that excessive coffee – four cups a day – is harmful, but only to those under 55. How likely is this?

Heavy coffee consumption increases death rates in under-55s, study suggests

Scientists claim those in age group who drink average of more than four cups of coffee a day are at 56% greater risk of death from all causes

We don’t know if antidepressants work, so stop bashing them

Pete Etchells: Recent attacks on antidepressants simplify a complicated picture about their effectiveness, and people with depression suffer for it

Breastfeeding for six months can delay breast cancer onset by a decade

Spanish study of 504 women shows earlier onset of breast cancer in women who breastfed for less than six months

Benefits Britain 1949; Horizon: Monitor Me –TV review

Tom Meltzer: Does the time-travel-and-tears genre ever actually give us real insights into the past?

Afraid of spiders? Try sleeping on it

Daniel and Jason Freeman: The therapist's couch may make a comeback – for taking a nap after sessions for phobias, anxiety and depression

The 40-week pregnancy myth has popped

Viv Groskop: We now know pregnancy can vary by up to five weeks – so why aren't 'overdue' mothers given more information?

Can taking up and then quitting smoking increase your salary? No

Suzi Gage: A Daily Telegraph headline claimed this was the route to higher wages, as ex-smokers were top earners in the US