Devon Carrow spends his days like many other second grade students: He goes to school, says hello to friends in the hallway and practices his multiplication tables. But to do this safely, Devon cannot be in the classroom. (ABC News)

The ability to encapsulate potent drugs in tiny particles measuring billionths of a meter in diameter is opening up new options for super-accurate drug delivery, increasing precision hits at the site of disease with, hopefully, fewer side effects. (Reuters)

The killings we’ve seen at a Connecticut elementary school, and more recently at the Boston Marathon, are fortunately rare events. Mass killings have remained at a stable level for the past two decades. But they are just the tip of a chilling violence iceberg that has titanic financial and social costs to society. (CNN)

James Brown, who has been diagnosed with psychosis, spent three days at Rawson-Neal Psychiatric Hospital, in Las Vegas, in February 2012. Depressed and thinking of suicide, Brown ended up there after problems at his group home. But just three days after he was admitted, the doctors felt James was stable enough to go. (ABC News)

The Academy Award-nominated movie “Amour” is sparking much-needed conversations about aging, the illness of a longtime companion and dying with dignity. (The Sun Sentinel)

Scientists have made a fundamental discovery about how the properties of embryonic stem cells are controlled. The study, which focuses on the process by which these cells renew and increase in number, could help research to find new treatments. (Science Daily)

A UW-Madison research group has converted skin cells from people and monkeys into a cell that can form a wide variety of nervous-system cells — without passing through the do-it-all stage called the induced pluripotent stem cell, or iPSC. (Nanowerk)

A breakthrough bionic ear that can ‘hear’ radio frequencies beyond the range of normal human ears has been created by scientists at Princeton University. The researchers used a radical 3D printing technique to create the ear with the electronics of a hearing aid inside it. (Daily Mail)

Privacy experts have identified participants in the Personal Genome Project using “de-identified” data. (MIT Technology Review)

Come January, millions of low-income adults will gain health insurance coverage through Medicaid in one of the farthest-reaching provisions of the Obama health care law. How will that change their finances, spending habits, use of available medical services and — most important — their health? (New York Times)

A brain implant may be able to predict epilepsy seizures by picking up the early warning signs, a small study suggests. (BBC)

Scientists have discovered the first gene involved in typical migraines, which could lead to new and better treatments for the millions afflicted by pounding headaches. (The Telegraph)

Many diseases - obesity, Type 2 diabetes, muscular dystrophy - are associated with fat accumulation in muscle. In essence, fat replacement causes the muscles to weaken and degenerate. (Medical News Today)

Everyone’s got brains on the brain these days. With Obama’s $100M brain initiative, new cerebral transparency and further investigations into neurology-determined behavior, it’s easy to forget how little we knew about the human central computer just a short time ago. (Wired)

Judge describes ‘wicked and selfish’ motive of using daughter to provide parent with a fourth child. (The Guardian)

Managed-care companies in New York have come under fire for signing up vigorous older adults referred to them by social day care centers, customers whose health needs are relatively small. (New York Times)

In a shocking incident, doctors of a test tube baby centre aborted pregnancy after they found the foetus to be female. As the fertility clinic had reportedly promised to deliver a male child through in vitro fertilization (IVF) the foetus was aborted. (Times of India)

The Food and Drug Administration said Tuesday that it would make the most widely known morning-after pill available without a prescription to girls and women ages 15 and older, and also make the pill available on drugstore shelves, instead of keeping it locked up behind pharmacy counters. (New York Times)

Fresno State is one of dozens of colleges tightening the rules on the diagnosis of A.D.H.D. and the subsequent prescription of amphetamine-based medications like Vyvanse and Adderall. Some schools are reconsidering how their student health offices handle A.D.H.D., and even if they should at all. (New York Times)

The weight of evidence from epidemiological studies indicates cosmetic breast implants are not associated with increased risk of breast cancer, but concern remains because implants may impair the ability to identify breast cancer at an early stage by mammography because cosmetic breast implants are radio-opaque, impairing the visualization of breast tissue with mammography and making detection of breast cancer at an early stage more difficult. (UPI)