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Heba Ghazal

Heba Ghazal

The Conversation

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Collagen supplements can help your skin and joints, large new study finds

A major review suggests collagen supplements may genuinely work, but the science is messier than the wellness industry would have you believe.

24.03.2026 10

The Conversation

Heba Ghazal

Ketamine is giving more young people bladder problems – an expert explains

Urology departments in England and Wales have seen an increase in users admitted for bladder inflammation caused by ketamine use.

14.01.2026 10

The Conversation

Heba Ghazal

Should you worry about melatonin and heart failure? The evidence isn’t clear

Long-term melatonin users were about three times more likely to develop heart failure, but the link may not be what you think.

10.11.2025 8

The Conversation

Heba Ghazal

An animal sedative keeps turning up in opioid deaths – what you need to know about medetomidine

Veterinary drug medetomidine spreads through illicit opioid supply.

05.09.2025 10

The Conversation

Heba Ghazal

Hay fever: new immunotherapy approved in England for people with severe birch pollen allergies

Birch pollen is one of the most common hay fever triggers.

21.08.2025 10

The Conversation

Heba Ghazal