Health

All Health

  • Improved accuracy in genome editing

    A team of scientists has engineered a form of the genome-editing protein Cas9 that can be controlled by a small molecule and offers improved DNA specificity.

  • Creatures of habit

    The motor cortex is critical to learn new skills, but may not be needed to perform them, a new Harvard study says.

  • ‘New clarity’ against Alzheimer’s

    Rudolph Tanzi of Harvard Medical School, recently named to Time’s list of the most influential people in the world, talks about the promising future of Alzheimer’s research.

  • Meditation may relieve IBS and IBD

    A small pilot study by Harvard-affiliated researchers finds symptom improvement and changes in expression of inflammation-associated genes in irritable bowel syndrome and inflammatory bowel disease patients who practice the relaxation response.

  • Insight into seeing

    Harvard-affiliated researchers have been able to make a comparison of neurons in optic nerves to learn more about why some regenerate and others don’t.

  • Rapid evolution

    As part of the Harvard Horizons Symposium, Ph.D. candidate Shane Campbell-Staton will discuss his work with the green anole lizard, which corroborates the fact that rapid evolutionary responses can be viewed in real time.

  • A home fit for a king

    State wildlife biologists installed a peregrine falcon nesting platform high on Memorial Hall’s tower.

  • Promising stem cell therapy

    Harvard Stem Cell Institute researchers at Massachusetts General Hospital have developed an “imageable” mouse model of brain-metastatic breast cancer and shown the potential of a stem-cell-based therapy to eliminate metastatic cells from the brain and prolong survival. The study, published online in the journal Brain, also describes a strategy for preventing the potential negative consequences of stem cell therapy.

  • Why birds don’t crash

    A new study shows that birds use two highly stereotyped postures to avoid obstacles in flight. The study could open the door to new ways to program drones and other unmanned aerial vehicles to avoid similar obstacles.

  • Health as an economic engine

    Finance ministers from Africa, the Caribbean, Latin America, and Southeast Asia gathered at Harvard Art Museums on April 21 to discuss links between health care and economic performance.

  • E-cigarette battle heats up

    In a talk titled “Can E-cigarette Regulation Protect the Public’s Health? Making Sense of the Science,” public health experts speaking at the Harvard T.H. Chan School of Public Health Thursday said they worry the battery-powered smokes may provide a dangerous gateway for teens and others to start smoking.

  • You are when you eat

    A new study may help explain why glucose tolerance — the ability to regulate blood-sugar levels — is lower at dinner than at breakfast for healthy people and why shift workers are at increased risk of diabetes.

  • Gates Foundation CEO challenges students

    Sue Desmond-Hellmann, CEO of the Bill & Melinda Gates Foundation, shared the “Big Bet,” an ambitious series of goals the Gateses issued in their annual letter. Desmond-Hellman challenged Harvard Chan students to help make the bet pay off during her talk as part of the Dean’s Distinguished Lecture series.

  • Hand-held disasters

    Harvard’s Center for Health Communication last week arranged a media briefing at the Massachusetts State House on distracted driving, a problem that takes some 3,000 lives a year in the United States. The Gazette spoke to center director Jay Winsten about the problem.

  • Wine watcher

    Harvard biologist Elizabeth Wolkovich is studying wine grape phenology and changes that might be needed in a warming world.

  • Pesticides result in lower sperm counts

    Men who ate fruits and vegetables with higher levels of pesticide residues had lower sperm counts and lower percentages of normal sperm than those who ate produce with lower residue levels, according to a new study from Harvard T.H. Chan School of Public Health.

  • Mystery motor

    Harvard researchers have solved the mystery of how some bacteria move across surfaces with the discovery of a rotary motor in the bacterium Flavobacterium johnsoniae.

  • Healthy school lunches have to taste good, too

    School collaborations with a professionally trained chef to improve the taste of healthy meals significantly increased students’ consumption of fruits and vegetables, according to a new study led by researchers from Harvard T.H. Chan School of Public Health.

  • Hip correction

    A new study finds no connection between hip width and efficient locomotion, and suggests that scientists have long approached the problem in the wrong way.

  • Behind the measles outbreak

    Researchers have found that measles vaccine coverage among the exposed populations is far below that necessary to keep the virus in check. The study is the first to positively link measles vaccination rates and the ongoing outbreak.

  • Smarter by the minute, sort of

    New research from Harvard and MIT shows that different cognitive skills peak at different times in lifespan.

  • Brains or skin?

    A protein that is necessary for the formation of the vertebrate brain has been identified by researchers at the Harvard Stem Cell Institute (HSCI) and Boston Children’s Hospital, in collaboration with scientists from Oxford and Rio de Janeiro.

  • The teeth tell a tale

    A new study shows that the teeth of early hominins grew unlike those of either modern humans or apes, suggesting that neither can serve as a useful proxy for estimating the age or developmental progression of juvenile fossils.

  • Case of the rotting mummies

    Chilean preservationists have turned to a Harvard scientist with a record of solving mysteries around threatened cultural artifacts.

  • Ebola: A long way from over

    The Ebola epidemic is waning, but experts at a Harvard Medical School conference said the fight against the disease should be carried on until the last patient is cured, until more is known about the virus, and until local health care systems are robust enough to withstand another outbreak.

  • Putting health in context

    Panelists at the Harvard T.H. Chan School of Public Health examined social disparities that make some people more likely to end up sick than others.

  • March mammal madness

    An assistant professor of evolutionary biology, Katie Hinde is also the creator of Mammal March Madness, a tournament that emulates the college basketball playoffs and pits species against each other in simulated combat.

  • Possible progress against Parkinson’s

    Harvard Stem Cell Institute researchers at McLean Hospital have taken what they describe as an important step toward using the implantation of stem cell-generated neurons as a treatment for Parkinson’s disease.

  • A new stem cell advance

    Collaborating with scientists elsewhere, Harvard Stem Cell Institute researchers have devised two methods for using stem cells to generate the type of neurons that help regulate behavioral and basic physiological functions in the human body, such as obesity and hypertension, sleep, mood, and some social disorders.

  • Tuning in on brain waves

    Researchers have identified a group of neurons in the brain. The role of this cell type, in a region of the brain important for “waking up the cortex,” had not been previously identified. It may suggest potential therapies for disorders like schizophrenia.