3D printing points way to smarter cancer treatment
Now doctors can target the tumor growth more effectively and precisely as British scientists have developed a new form of 3D printing putting it to a work where in there is a replica model being developed of the cancerous body part.
The new cancer work involves printing 3D "phantoms" of tumors and organs based on CT scans taken of patients during treatment. These plastic molds can be filled with liquid, allowing experts see in detail the flow of so-called radio pharmaceuticals.
Radio pharmaceuticals are drugs containing radioactive material that may be injected into a vein, taken by mouth or placed in a body cavity. The challenge is to give a dose that is high enough to kill cancer cells, without causing excessive collateral damage to healthy tissue. Glenn Flux, head of radioisotope physics at the Institute of Cancer Research in London, believes accurate modeling will allow doctors in future to fine-tune dosing, resulting in the likely routine use of such 3D printouts.
Many chances of acquiring tumors that consists of thyroid cancer, cancer of nerves cells in children and certain other tumors that spread to the bones can also be diagnosed and detected. The team in London used a 3D printer from Stratasys, one of the leading suppliers of high-end machines.
Daily avocado cuts heart disease risk
Adding an avocado to your daily diet helps lower bad cholesterol and reduce the risk of heart disease, a study says."Including one avocado each day as part of a moderate-fat, cholesterol-lowering diet provides additional LDL (bad cholesterol) lowering affects which benefit CVD (cardiovascular disease) risk" said Penny Kris-Etherton, professor at Pennsylvania State University.
Known to have originated in Mexico and Central America, avocado is cultivated in a very limited scale in Tamil Nadu, Kerala, Maharashtra, Karnataka in the south-central India and in the eastern Himalayan state Sikkim. Avocados are known to be a nutrient-dense food, high in monounsaturated fatty acids. Previous studies have suggested that avocados are a cholesterol-lowering food, but this is the first study to look at health implications of avocados beyond monounsaturated fatty acids, the researchers added.
For the study, the researchers tested three different diets, all designed to lower cholesterol: a lower-fat diet, consisting of 24 percent fat, and two moderate fat diets, with 34 percent fat. The moderate fat diets were nearly identical, however, one diet incorporated one Hass avocado every day while the other used a comparable amount of high oleic acid oils - such as olive oil - to match the fatty acid content of one avocado.
Bio-artificial livers come closer to reality
If your liver stops or fails to function for more than a few days, you may die. Liver failure occurs due to many factors such as trauma which occurs as a result of accidents, drug abuse or diseases such as hepatitis. One common cause of drug overdose which arises as a result of years of maintenance medications or accidentally overdosing on painkillers etc.
In the intervening period, these patients often yield to the toxic buildup of chemicals the liver is unable to filter. Despite more than have a decade research on liver disease, there is no particular virtual help, no stop gap solution etc.
A new research has come up with bio-artificial liver support systems with patients who undergo acute liver failure is under the examination and investigation to analyze the safety. Lead investigator Steven D. Colquhoun at Cedars-Sinai said that the quest for a device that can fill in for the function of the liver, at least temporarily, has been underway for decades and a bio-artificial liver (BAL), could potentially sustain patients with acute liver failure until their own livers self-repair.
As many as 49 sites currently involved in the invention of bio-artificial filters are in the United States. In the bio-artificial liver, which is being designed by therapies including blood is drawn from the patient via a central venous line, and then is filtered through a component system featuring four tubes, each about 1 foot long, which are embedded with liver cells.
Gutka ban is working, but is not enough
The ban on Gutka has laid an impact in access, usage, price and display the point of sale as per the study conducted by the Johns Hopkins University Bloomberg School of Public Health and the World Health Organization Country Office for India.
The products that are brought separately and mixed to be consumed as Gutka should also be banned. Government is deciding on expansion of Gutka ban to all smokeless tobacco products. In order to ensure the complete compliance of the ban, enforcement mechanisms needs to be more emphasized and strengthened.
Provision for tobacco cessation services to be scaled up to cater to the unmet need for cessation after the ban. It is important to stop production and sale of gutka. All kinds of pan masala and gutka contain addictive substance which is being projected as lifestyle and desirable product.
The products like pan masala are also made in use to produce products such as Gutka and also for manufacturing purpose under the same brand name. The pan masala products are largely advertised and also acts as a surrogate or alternate advertising medium for smokeless and effectless tobacco. Therefore, the Government needs to take urgent action to stop advertisements of pan masala to protect the vulnerable sections of society including the youth.
Toxic chemical linked to leukemia found in hookah smoke
Hookah smoking is no less safer than cigarette smoking. It consists of a water pipe along with a smoke chamber, a bowl, pipe and a hose. The only difference to be noted is that the tobacco becomes less toxic in the hookah pipe and the water that is seen inside the hookah does not filter out the toxins contained in the tobacco smoke. One smoking session has much more amount of smoke contained in it than that of cigarette smoking. So eventually, hookah smokers may actually inhale more tobacco than cigarette smokers.
Researchers analyzed levels of S-phenylmercapturic acid (SPMA), a metabolite (byproduct) of benzene, in the urine of 105 hookah smokers and 103 nonsmokers exposed to smoke from the water pipes. After an event in a hookah lounge, SPMA levels were four times higher than normal in hookah smokers and 2.6 times higher than normal among people who had attended but hadn't puffed on a hookah.
After a hookah-smoking event in a private home, SPMA levels were two times higher among hookah smokers, but normal among nonsmokers. Many of us believe that because there is no safe level of exposure to benzene, their results call for interventions to reduce or prevent hookah tobacco use, regulatory actions to limit hookah-related exposure to toxicants including benzene, and include hookah smoking in clean indoor air legislation.