A recent study by Japanese scientists shows the risk of diabetes drops sharply if smokers abstain from smoking for 10 years. (Asahi Shimbun file photo)
Study on diabetes finds another good reason to quit smoking
Smokers are more susceptible to developing diabetes, but they can lower the risk to the level of nonsmokers by refraining from lighting up for at least 10 years, according to Japanese researchers.
Kagoshima University professor Kenichiro Kosai (Asahi Shimbun file photo)
Scientists develop method to kill iPS-derived cells with high cancer risk
Researchers said July 21 they have found a way to eliminate cells derived from induced pluripotent stem (iPS) cells that have a high risk of becoming cancerous, a development that could lead to clinical applications of iPS cells.
A syringe called an epinephrine pen is used to treat patients with severe allergic reactions known as anaphylactic shock. (Asahi Shimbun file photo)
Scientists identify substance that curbs food allergies
Researchers said they have discovered a substance that contains a proliferation of cells that cause allergic reactions to certain types of food, which they hope will pave the way for eradicating food allergies.
Sunstar Inc.’s zero-sugar “Kenko Dojo Umakutsukiau 80 Kilocalories Shokora” chocolate will go on sale from July 26. (Tomoyuki Izawa)
Sunstar develops zero-sugar chocolate for diabetics
Diabetics with a sweet tooth can now satisfy their craving with a low-calorie, sugar-free chocolate that its developer says is the perfect snack for people with the debilitating condition as well as other health-conscious consumers.
Medical records that were discovered at the Saga Prefecture Medical Center Koseikan in Saga (Provided by a study group on medical history in Saga Prefecture)
1945 medical records detail Saga hospital's struggle to treat A-bomb victims
SAGA--Doctors made frantic but often futile efforts to ease the painful symptoms among people who returned to Saga Prefecture soon after being exposed to radiation in the 1945 atomic bombings, medical records show.
Kyoto University (Asahi Shimbun file photo)
Kyoto scientists find key molecule in fight against colorectal cancer
KYOTO--Safer and better treatment to combat colorectal cancer is likely after scientists in Kyoto identified a key molecule involved in creating the often fatal disease.
The National Cerebral and Cardiovascular Center in Suita, Osaka Prefecture, will conduct the world’s first clinical study to examine the effects of atrial natriuretic peptide on the spread of lung cancer. (Asahi Shimbun file photo)
World's 1st study planned on cardiac hormone that could inhibit spread of lung cancer
SUITA, Osaka Prefecture--Researchers are preparing the world’s first clinical test of a new type of metastasis suppressor agent that could prevent the spread of tumors in patients with lung cancer after surgery.
Raw pork liver has become popular among meat lovers since the ban on raw beef liver in 2012. (Asahi Shimbun file photo)
Health ministry removing raw pork, liver from restaurant menus
The health ministry will ban all raw pork, including the “liver sashimi” delicacy, from restaurants because of the risk of hepatitis E infection and parasitic food poisoning.
Elderly people visit children in a child-care center in Tokyo. (Asahi Shimbun file photo)
Study: Health risks rise for seniors who don't socialize
Seniors who seldom interact with people outside their homes have a higher risk of requiring nursing care, developing dementia or even dying, according to a study.
The Asahi Shimbun
Scientists to use iPS cells to develop method to treat Parkinson's disease
Researchers at Kyoto University are set to begin clinical studies, possibly as early as next year, to verify a cell replacement therapy that uses human induced pluripotent stem (iPS) cells to treat Parkinson’s disease.
Children at an elementary school in Kumamoto Prefecture learn how to make tea in 2014. (Asahi Shimbun file photo)
Study: Drinking coffee, green tea daily lowers risk of death
Cups of coffee or green tea can work not only as daily pick-me-ups, but they can also lower the risk of death by almost one-quarter, according to a nearly two-decade study covering up to 90,000 people.
Researchers of a pharmaceutical company develop new medicines. (Asahi Shimbun file photo)
Health ministry to shorten screening period for new medicines to 6 months
The health ministry will halve the screening period for newly developed medicines to six months to encourage pharmaceutical companies to create epoch-making drugs for such diseases as cancer and dementia.
The Kyoto Prefectural University of Medicine (Asahi Shimbun file photo)
Scientists discover technique that turns skin tissue into nerve cells
KYOTO--Researchers here said they have converted skin tissue into nerve cells using commercially available chemicals.
An adult T-cell leukemia cancer cell, center (Provided by Kaoru Uchimaru, associate professor at the University of Tokyo’s Institute of Medical Science)
Scientists find AIDS medicine kills type of leukemia cancer cell
Researchers from Kyoto University have discovered that a drug used to treat AIDS also kills adult T-cell leukemia (ATL) cancer cells, a finding that offers hope to tens of thousands of sufferers in Japan.
Shinya Yamanaka, head of Kyoto University's Center for iPS Cell Research and Application (Asahi Shimbun file photo)
Pharmaceutical giant joining forces with leading iPS cell institute
Japan’s largest pharmaceutical company is teaming up with a pioneering research institute headed by Nobel Prize laureate Shinya Yamanaka to develop medicines using induced pluripotent stem (iPS) cells.
Osaka prefectural officials in protective suits transport a person in an Ebola emergency drill in November. (Asahi Shimbun file photo)
Researchers successfully test vaccine for more effective treatment for Ebola
Japanese and U.S. researchers have successfully tested an Ebola vaccine on a monkey species in what could be a silver-bullet breakthrough in the fight against the deadly disease.
The lungs of mice infected with influenza viruses that have been injected with fluorescent protein genes (Provided by Yoshihiro Kawaoka)
Scientists develop technique to track flu virus without killing test animal
Japanese researchers have found a way to observe the spread of the influenza virus inside living tissue without the need to dissect, a development that may herald more effective treatments for conditions like pneumonia.
The interactive robot to be used in research to assist children with developmental disorders (Taku Hosokawa)
Researchers employ interactive robots to help children with developmental disorders
NAGOYA--Researchers from three universities here are conducting a five-year study to determine if children with developmental disorders can improve their communication skills by interacting with a communicative robot.
Evacuees from the Fukushima nuclear accident undergo radiation exposure testing at an evacuation center in Fukushima on March 15, 2011. (Asahi Shimbun file photo)
Team develops method to estimate thyroid radiation dosage soon after Fukushima accident
A team of researchers has developed a method to more precisely estimate the doses of radiation to the thyroid glands of people who received medical examinations shortly after the Fukushima nuclear crisis unfurled.
The Asahi Shimbun
Scientists regenerate damaged nerve cells with hybrid artificial cells
Researchers in Osaka have developed a hybrid nerve cell in mice that could lead to treatment for nerve damage that is less invasive on patients than current methods.

More AJW