Are eggs bad for cholesterol? More eggs nudged LDL up in 17 trials, but studies of 1.7 million people found no heart disease link at an egg a day.

The research that matters, explained plainly.

What age should a child get a phone? Kids with a smartphone at 12 had more eating-disorder symptoms by 14 in a study of 8,957 US children.

Blue Headline explains research plainly. The sources are linked below, with how much to trust them. Few food rules are repeated as often as “don’t eat after 8 pm”. Others swear a bedtime snack helps ...

Does creatine cause hair loss? The fear comes from one 2009 study of 20 rugby players. A 2025 trial measuring hair directly ...

How many steps should a teenager take a day? In 5,515 US 12-year-olds, more daily steps meant fewer mental health problems a year later, with no plateau. Blue Headline explains research plainly. The ...

Some people swear by an afternoon nap. Others feel groggy and guilty after one. So is napping good for you? The research gives a two-part answer. Short naps seem to help your brain. Long, frequent ...

Blue Headline explains research plainly. The sources are linked below, with how much to trust them. “Your brain isn’t fully developed until 25.” You’ve probably heard it. It gets used to explain risky ...

Blue Headline explains research plainly. The sources are linked below, with how much to trust them. Few ideas in psychology have travelled as far as the “scarcity mindset”. It says that having too ...