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Researchers have found that the current Pertussis or whooping cough vaccine is highly effective for the first three years after it is administered, but its effectiveness starts to wane over the next few years, leaving little protection.

Nicotine enters the body via the skin as well as lungs

For tobacco smokers, and those who favor e-cigarettes, nicotine not only enters the body via the lungs but also through the skin, according to new research.

Op-Ed: Outrageous EpiPen prices drive some people to make their own

There is one sure way to fuel the entrepreneurial spirit in people. All you have to do is say "it can't be done." Social media sites, including Twitter and YouTube, are awash with instructions on how to make your own EpiPen, and that is dangerous.

Rapid test for Salmonella in chicken developed

Microbiologists and technologists have joined forces to come up with a rapid and easy-to-use method to detect Salmonella in food such a chicken. The device contributes to contamination control.

Will there be an emerging black market in 3D printed organs?

3D printing technology continues to advance and progress is being made with producing a fully functioning organ, like a heart or a kidney. What would happen if this became a root in for illegal trade in printed organs?

New evidence in favour of gingerol’s anti-cancer properties

Does the eating of chili peppers increase cancer risk; and can ginger, in turn, counteract this? New evidence suggests that an active ingredient in ginger can block any potentially harmful effects from chili.

Rare mosquito vector disease found in Haiti

Virologists have identified previously undetected mosquito carried disease from a patient in Haiti. The disease has not previously been detected within any Caribbean nation.

FDA launches app competition to tackle opioid abuse

The U.S. Food and Drug Administration (FDA) has launched a competition for app developers to come up with software to address the growing epidemic of opioid overdose.

Looking for Narcan? There will soon be an app for that

The U.S. Food and Drug Administration (FDA) announced they are launching a contest that is intended to reduce the number of opioid overdose deaths in the United States.

Saskatchewan doctors — public health emergency over HIV/AIDS

A doctor's group working directly with HIV-positive patients in Saskatchewan is calling on the provincial government to declare a public health state of emergency because of the increasing number of HIV/AIDS cases.

2016 Flu season — a few new things you need to know this year

The flu season in the United States often begins in October and November. Most of the time flu activity peaks between December and March and can last as late as May. This means we should be thinking about getting our annual flu shots.

First Miami zone of local Zika spread now 'clear': officials

Health authorities Monday lifted a travel warning for the Miami neighborhood of Wynwood -- site of the United States' first local Zika outbreak -- after the governor declared no evidence of active transmission of the virus there in the last 45 days.

Bayer's Essure trial is approved again after FDA re-evaluation

The U.S. Food and Drug Administration (FDA) concluded its investigation on Essure's pivotal trial. Bayer, the company that manufactures the controversial contraception method, has been, in fact, accused of manipulating data to inflate the device's safety.

Giving antibiotics to children increases allergy risk

Prescribing antibiotics to children may raise the risk of children going on to develop allergies in later life, a new study suggests.

Alzheimer's stemmed but not stopped, say experts

Soaring rates of population growth and ageing have long been seen as portending a global explosion of Alzheimer's, the debilitating disease that robs older people of their memory and independence.But an unexpected, and hopeful, trend may be emerging.

Is another mosquito-borne virus emerging in the Caribbean?

Researchers from the University of Florida have identified a patient with a serious mosquito-borne virus never before seen in Haiti. Called the Mayaro virus, there is concern over it becoming a new and emerging disease in the Caribbean region.

Op-Ed: Viral photo needs to be seen — Heroin crisis in U.S. is serious

After an Ohio police department posted a picture on their Facebook page of two people passed out in a car, apparently having overdosed on heroin, while a four-year-old boy sits in the back seat, many people were angry at the police. They missed the point.

Sperm shortage in New Zealand, two year waiting list

Due to changes in legislation and a high demand, New Zealand has a sperm shortage. The dearth of sperm is such that a woman wishing for a sperm donation needs to wait for around two years.

Warning over drugs that inactivate morning after pill

Women have been warned to check what medicine they are taking, particularly medication containing St John's Wort, in case the ingredients inactivate the morning after pill.

Anaheim dental group may have exposed children to deadly bacteria

Seven children have been hospitalized with serious bacterial infections after undergoing the same dental procedure at an Anaheim, California dental clinic. Health officials now say as many as 500 more children could be at risk of infections.

Social media outrage behind Congressional hearing over EpiPen

When Mylan, the maker of the EpiPen raised the price of the life-saving device almost 600 percent, angry parents spoke out on social media platforms, forcing a price reduction, of sorts, and a full Congressional hearing next week.

Monitoring heart health with tiny camera

Researchers have developed a new medical device that records absolute oxygen saturation of arterial blood. This is via a camera-based technology, which assesses tiny changes in skin color in order to complete a diagnosis.

Wound treating nanocomposite developed

Iranian scientists have developed a novel compound, created using nanotechnology, for the treatment of wounds. The composite material contains antimicrobial chemicals.

Key facts about strokes as Israel's Peres critical

The haemorrhagic stroke suffered by former Israeli president Shimon Peres is one of the most serious forms of stroke and can be fatal.

University hospital offers futuristic lung donation tune-up

A novel method has been developed that could double the number of available lungs for transplantation in the U.S. The method renders lungs that might otherwise be rejected as suitable for use.

Japanese firms wage war on 'smell harassment'

Got stinky colleagues? Japan has a seminar for that.After a long, sweaty summer, some firms in a nation renowned for its cleanliness are declaring all out war on an office plague known as "smell harassment".

Teen poverty and hunger in America forces many into the sex trade

Teenagers in many low-income communities across the United States are being forced into the sex industry, according to a disturbing report by the Urban Institute.

Egyptian mothers need breast exam to get subsidized baby formula

As part of the requirements of the recent IMF subsidies on various products had to be reduced or eliminated. This has had a drastic effect on the availability of baby formula in Egypt and created difficulties for many mothers.

Pneumonia: Five things to know

US presidential candidate Hillary Clinton has cancelled campaign engagements after being diagnosed with pneumonia.

Best diet for the brain revealed, but will it work?

Diets that are good for the heart and general health are commonplace these days (irrespective of how well they actually work). What about diets intended to benefit the brain?

Most drugs in sewage are not from dumped narcotics

The belief that most drugs in sewage are stashes of illegal narcotics flushed down toilets by criminals appears to be a myth. Most drugs in sewage systems are excreted by people who have been prescribed them.

Two possible cases of leprosy reported in Calif. school children

A few days ago, it was reported that two school children in Southern California were diagnosed with possibly having leprosy or Hansen's Disease. People are asking, how can that be possible in a developed country?

Rise in sugar consumption by children

The amount of sugar consumed by children aged four to 10 years in the U.K. is rising steadily, to the level where it is now double the government's recommended total quantity per year.

World Suicide Prevention Day: Male suicide rate 3.5 times higher

September 10 was World Suicide Prevention Day and at last the epidemic rate of male suicides is being noted. Men are three to four times more likely to take their own lives, a stat that holds true in the U.S., Canada, the U.K. and other countries.

Call for smoking to be removed from children’s movies

Should children and young people be allowed to watch movies where people smoke and should movies suitable for young people have all references to smoking removed? As the Toronto Film Festival kicks off this has become a hot topic for discussion.

Mexico joins Philippines, Brazil with dengue vaccine

While the world awaits a Zika vaccine, the first ever injection against dengue fever is spreading, with Mexico becoming next week the latest country where people can get the shot.

Zika in Fla. — naled spraying and 84 pregnant women test positive

On Thursday, Florida health officials said 84 pregnant women in the state have tested positive for the Zika virus, including one woman who gave birth to a baby born with microcephaly on Wednesday.

Study finds posting on social media helps improve memory

A study conducted at Cornell University determined posting experiences on Facebook and other social media sites helps improve a person's memory. This was the first study of its kind although it has been known writing down experiences helps improve memory.

FDA to begin scrutinizing health related apps

Health apps (or ‘mobile medical applications’) have been produced at increasing regularity in recent years. Some are more meaningful and accurate than others, prompting calls for their regulation.

MS patients seek inquiry into high case number in Ottawa

A multiple sclerosis sufferer, Jacques Dutrisac, is seeking to understand why 14 of his former neighbours, of a similar age, have all gone on to develop multiple sclerosis as adults.

Blow for bone marrow transplant as stem cells age

Bone marrow transplants are tricky procedures, particularly with blood-related problems. Now a new concern has been raised: rapid cellular ageing.