The science-driven, medically grounded personalised lifestyle app for real life.

Built by surgeons. Driven by science. TRAIN turns medical and scientific knowledge into practical daily habits designed for how you actually live.

TRAIN App. Coming Soon

75%

of deaths worldwide are caused by chronic lifestyle diseases.

35%

of deaths worldwide are caused by cardiovascular disease.

33%

of people worldwide do not get enough physical activity.

1in7

people worldwide experience mental-health conditions.

1in8

people are affected by joint, muscle and tendon disorders.

Medical science shows up to 85% of these diseases are preventable through lifestyle changes.

The foundation of long-term health.

Every habit in TRAIN connects to one of four scientifically grounded pillars. Together, they determine how you feel, function, and age.

Sleep

Recovery, repair, and resilience. Quality sleep regulates hormones, restores the immune system, and protects long-term cardiovascular health.

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Movement

Strength, energy, and cardiovascular health. Physical activity regulates metabolism, muscle, and brain. The strongest predictor of healthy ageing.

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Mental Health

Focus, stress regulation, and emotional balance. Mindfulness shifts the nervous system from fight-or-flight to rest-and-recover.

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Nutrition

Fuelling body and brain. Heart-healthy dietary patterns lower blood pressure, improve cholesterol, and reduce systemic inflammation.

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Prof. Dr. Nimrat Grewal & Dr. Simran Grewal

Prof. Dr. Nimrat Grewal · Cardiothoracic Surgeon (left)
Dr. Simran Grewal · Orthopaedic Trauma Surgeon (right)

The art of living healthy, guided by science and medicine.

TRAIN was founded by two surgeon sisters combining clinical care, scientific research, and a mission to improve long-term health.

As doctors, we see preventable health risks every day. TRAIN helps you understand your body, improve your daily habits, and stay healthier using science and data.

— Prof. Dr. Nimrat Grewal & Dr. Simran Grewal, founders.

Explore our projects →About TRAIN

20+ years of research

Over two decades of clinical experience and translational research in cardiovascular and preventive health.

Worldwide collaboration

Partnerships with leading medical and research institutions across academia, hospitals, and industry.

Built for your health

TRAIN helps you build the habits that protect your health. Grounded in evidence. Designed for real life.

Projects

From research to real-world impact.

TRAIN builds on years of academic research and clinical experience. Its founders lead the TARGet research group, an academic initiative focused on advancing cardiovascular and preventive health through collaboration with clinicians, researchers, and institutions worldwide.

All projects ↗