China is aiming to keep tabs on its 1.4 million citizens with 200 million CCTV cameras, evaluating even the smallest actions to hand down “social credit” scores. High scores mean better jobs, education and healthcare; low scores can block citizens from travel and obtaining…

The period app Clue tracks ovulation, PMS and other symptoms of women's cycles using self-input data. But Clue aims to do more than gather data for individuals—it sees itself as a key source of women's health data, engaging in select research partnerships with universities…

Taking its cue from cosmetics giant Avon, the company Living Goods has community health volunteers going door-to-door in rural Kenya and Uganda, offering health advice and low-cost products. Patients text volunteers and receive free home visits; serious cases are referred…

The health of millions of pilgrims who flock to Saudi Arabia each year is a matter of global consequence, and one entrepreneur is looking to make antibacterial cloth a staple of the formal rite.   The idea came from the carpets used by millions of worshipers, at the Grand…

CAPE TOWN—With a dozen empty plastic water jugs slung over her shoulders, Rukayah Salie hurries across a busy road in Muizenberg just outside of Cape Town, South Africa and joins the thirsty Capetonians queued up to collect free, clean drinking water from the roadside tap…

Nigeria has 200 million people and just 250 psychiatrists, making therapy a luxury. So when 26-year-old investment banker Hauwa Ojeifo was diagnosed with bipolar disorder and PTSD, she sought refuge on her blog.

Malaria is endemic among under-5s in Zambia’s Serenje district, and treatment delays cost lives—but a pilot study providing lifesaving drugs and emergency transport has proven a remarkable success in reducing malaria's death toll. The MAMaZ Against Malaria pilot study…

In the urgent search for multipronged, coordinated solutions to the opioid epidemic ravaging the U.S., blockchain might be just the powerful weapon we need.

Abdoul Salam Nizeyimana, a 27-year-old Rwandan, survived the slaughter of his entire Tutsi family at the hands of Hutu fighters. 2 decades-plus since the genocide, Rwanda’s economy has grown 7-fold, and the country is alive with youthful ambition.

Hearing aids are bulky, expensive and available only through medical professionals which means 80% of Americans who need them don’t have them—a number that hasn’t changed in decades according to Frank Lin, director of the Cochlear Center for Hearing and Public Health at the…