How can a plant-based diet and less red meat could make you healthy and save the planet?

Is our meat-eating habit killing our planet?

---

Australian nutritionists and dietitians are urging people to switch to a Mediterranean or an Indian-styled diet which is more plant-based.

The call comes as international scientists set new guidelines for people to reduce the consumption of red meat by 50 percent and eat double the amount of fruits and vegetables to fight global warming and lead a healthy lifestyle.

Meanwhile, researchers are to examine if prolonged physical inactivity is putting us at greater risk of osteoporosis, which makes bones brittle and easy to break. Selina Kong and Ivan Leung report.