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Health

Health tech, wellness research, medical breakthroughs, and practical health guidance backed by science.

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A dark grey Apple Watch smartwatch standing upright on a reflective surface in dim light, its screen lit and facing the camera

HealthGuide

Do Sleep Trackers Actually Work? What the Science Says

Your smartwatch says you got 42 minutes of deep sleep. Should you believe it? Here's what sleep scientists have found when they test wearables against the medical gold standard — and how to use yours without losing sleep over it.

Jul 27, 202611 min

Latest

Close-up of a young child's hands holding a smartphone, face softly out of focus in the background

HealthGuide

What Screen Time Does to Children's Brains

What the research actually shows about screen time and child brain development: the Singapore study linking infant screen use to teen anxiety, the correlation-vs-causation caveat, and the AAP's 2026 shift away from hour limits.

Jul 18, 202611 min
A colourful plate of fresh vegetables and food — representing healthy eating

HealthGuide

Healthy Eating: The Complete Science-Backed Guide for 2026

A practical, science-backed guide to healthy eating — covering the balanced plate, protein requirements, key nutrient gaps, the best foods for longevity, gut health, and what to actually reduce. No fads, just evidence.

Jul 1, 202615 min

About Health

Our health coverage is grounded in peer-reviewed research and written for real life — sleep, nutrition, exercise, and the science behind everyday wellbeing. We name our sources, separate solid evidence from hype, and update guidance as the science evolves. Articles here are general information for education, not a substitute for advice from a qualified healthcare professional.

Frequently Asked Questions

How much protein do I actually need each day?

The RDA is 0.8 grams of protein per kilogram of body weight — the minimum to avoid deficiency, not an optimal target. Most active adults do better around 1.2–2.0 g/kg depending on age and activity, and older adults benefit from the higher end to preserve muscle. This is general information, not medical advice.

Are mental health apps effective?

Research shows mental health apps like Headspace, Calm, and Woebot can reduce symptoms of anxiety and mild depression when used consistently. They are most effective as a supplement to — not a replacement for — professional therapy or medication.

How is AI being used in healthcare?

AI is being used in healthcare for medical image analysis, drug discovery, patient triage, and personalised treatment recommendations. Notable examples include AI systems that detect cancer in scans earlier than human radiologists.