Articles on TC global health

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Pollen season: new map of South Africa’s allergy hotspots gives you time to prepare

South Africa’s first five-year pollen calendars reveal when allergy seasons hit seven cities, and how sufferers can prepare before symptoms start.
Extreme climate events such as droughts and floods are becoming more intense and frequent, reducing agricultural production, disrupting supply chains, limiting families’ access to fruits, vegetables and other fresh foods, and increasing the consumption of ultra-processed foods with low nutritional value. Foto: Envato

Climate crisis is affecting children’s nutrition

Droughts and floods reduce agricultural production, disrupt supply chains, and limit families’ access to fruits, vegetables, and other fresh foods.
The movement is focused on the idea of ‘clean’ nicotine use, such as pouches, which don’t contain tobacco. MoleQL/iStock via Getty Images Plus

How the pro‑nicotine ‘wellness’ movement rebranded an addictive drug

Nicotine products like pouches and patches are being promoted for cognitive enhancement, stress reduction, improved athletic performance and much more – with little scientific evidence.
Healthcare and assistance for the elderly are particular challenges for South Korea’s rapidly aging society. Plan Shooting 2/Imazins via Getty Images

How South Korea is tackling its super‑aging problem – and what other aging nations can learn from its experience

South Korea’s unusually rapid transition to a super-aged society means it has had little time to find solutions for pension funding and healthcare for the elderly.
Varicella zoster virus, also known as human herpesvirus 3, causes chickenpox and shingles. BSIP/Universal Images Group via Getty Images

Shingles can cause severe chronic pain – new research on how exosomes alter neurons offers pathways to treatment

The pain of post-herpetic neuralgia can drive people to the point of suicide. Researchers are getting closer to pinpointing its cause – which may extend to other forms of neuropathy.
Providing drug users with clean syringes is part of Portugal’s harm-reduction approach to substance use. Horacio Villalobos/Corbis News via Getty Images

Portugal decriminalized drugs 25 years ago, but the real lesson is what it built around this policy

Portugal’s remarkable public health strides after changing its approach to drugs may not be replicable in other countries absent broader systemic reforms.

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