Lajuana is 89, with the body and mind of someone decades younger. What are the secrets of the superagers?

Why do some people age better than others? Five extraordinary individuals – who scientists are studying – share their tips

‘Without strength training I wouldn’t survive’: the woman who joined a CrossFit gym in her 80s

At 81, Jean Stewart was frustrated by her growing frailty, so she decided to get active. Now 96, push-ups, kettlebell squats and pushing a weight-loaded sledge keep her strong

Senators claim UnitedHealth is withholding internal documents from inquiry

UnitedHealth says it will ‘continue to engage’ with lawmakers who began investigating their involvement in nursing home care after Guardian investigation

My friend has cancer and talks about ending her life. Should I tell her family?

Your friend fears dependency and wants to regain control. Is there someone you can talk to about your own feelings?

UnitedHealth reduced hospitalizations for nursing home seniors. Now it faces wrongful death claims

The company says it is protecting nursing home residents by curbing unnecessary hospital transfers. Whistleblowers allege cost-cutting tactics have endangered the elderly

The beautiful stroll: England’s seniors take walking football to world stage

As England’s teams head to the World Nations Cup in Spain, walking football is proving to be one of the UK’s fastest-growing sports

Volunteers map 10,000 routes in Great Britain to help make walking accessible

Campaign group Slow Ways developing app for disabled people, parents with children, older people and others

How do I stay healthy in my 50s, 60s and 70s?

By focusing on certain areas – like nutrition, exercise and positive connections – you can age well in every decade

UnitedHealth faces federal scrutiny into whistleblower claims

Attention comes in wake of ex-employees’ allegations that insurer paid nursing homes to reduce hospital transfers and used improper tactics to gain Medicare Advantage enrollees

Revealed: UnitedHealth secretly paid nursing homes to reduce hospital transfers

A Guardian investigation finds insurer quietly paid facilities that helped it gain Medicare enrollees and reduce hospitalizations. Whistleblowers allege harm to residents

What I learned from a lovely woman on a packed ward in hospital

Healthy people are being forced to stay in hospital because of a lack of social care – and it’s an indictment of our current system, writes Zoe Williams

Breakthrough drugs herald ‘new era’ in battle against dementia, experts predict

Medical advances make pills to treat Alzheimer’s disease viable, though challenges remain in sharing gains globally

‘I often say the journey time is longer’: how to make sex after 50 work for you

Many people’s sex lives can dip in middle age – and tiredness is a real passion killer. But there are simple things that can make a difference

Grey wave of walkers spearhead record activity levels among England’s over-55s

Increase in walking among older people key to general activity in England returning to pre-Covid levels

Live to 120? I’d rather go for quality not quantity of life …

Staying alive longer is only worth it if the quality of life itself is valuable