Out for blood in the search to stall aging

A gaggle of biotech start-ups are trying vastly different approaches to spin animal studies into the next big anti-aging therapy. It’s too early to know which, if any, will succeed.

Elie Dolgin • knowable
May 6, 2021 ~19 min

Emotions get better with age

As people grow older, they gain greater control of their feelings. How do they do that — and can they teach young whippersnappers a thing or two?

Tim Vernimmen • knowable
May 5, 2021 ~16 min

Genetic tricks of the longest-lived animals

Some species live unexpectedly long lives. By studying how they do it, researchers hope to pinpoint factors affecting human longevity.

Bob Holmes • knowable
May 4, 2021 ~16 min

Covid stole my Dad’s final months

OPINION: Because of the pandemic, I couldn’t visit him in his nursing home, and because of his dementia he couldn’t understand why. Mismanagement of this crisis has failed the elderly and caused incalculable hurt.

Alison McCook • knowable
Nov. 9, 2020 ~8 min

Living with chronic illness: Why some cope and others don’t

What helps some people diagnosed with cancer, heart disease or diabetes stay relatively happy and healthy, while others are devastated? Psychologist Vicki Helgeson explains the traits and mindsets that can make the difference.

Katherine Ellison • knowable
Nov. 19, 2019 ~16 min

Putting the squeeze on glaucoma

The eye disease causes millions to go blind. New treatments aimed at protecting nerve cells — or generating new ones — may slow or even stop the damage.

Chris Woolston • knowable
June 4, 2019 ~10 min