We're filmmakers working on an AI doc that features developments in the self-driving car industry. Ask us anything!
New data show that extreme weather events have become more frequent over the past 36 years, with a significant uptick in floods and other hydrological events compared even with five years ago
Human stem cell treatment cures alcoholism in rats. Rats that had previously consumed the human equivalent of over one bottle of vodka every day for up to 17 weeks under free choice conditions drank 90% less after being injected with the stem cells.
Great Pacific Garbage Patch is 16 times bigger than previously thought
People on antidepressant medication tend to also report experiencing emotional bluntness, a condition known as alexithymia, according to a preliminary study published in the journal Experimental and Clinical Psychopharmacology.
Children with attention deficit disorder, autism share cognitive problems. In particular, these certain children struggle with executive function — a set of mental skills that underlie planning, self-control, short-term memory and decision-making
New research shows how “clickbait” caught on in the modern newsroom and how data metrics have changed journalism. The study by Stanford University in the American Journal of Sociology examines how metrics shape newsroom dynamics in the United States and France.
Carbon nanotubes found to induce mesothelioma in mice at a similar rate to asbestos fibers.
Effect of Tai chi versus aerobic exercise for fibromyalgia: a randomized controlled trial found that Tai chi mind-body treatment results in similar or greater improvement in symptoms than aerobic exercise for a variety of outcomes for patients with fibromyalgia.
Now Immune System Could Kill Cancer Cells by itself
New study finds reducing carbon emissions could save as many as 153 millions of lives
Biophysicists have imaged the moment a photon sparks the first energy conversion steps of photosynthesis.
Reduced-?calorie diet shows signs of slowing ageing in people
Mumps outbreaks linked to waning vaccine protection
High GPA could work against young women job hunters
World's largest animal study on Cell Tower radiation confirms Cancer link
Video of mating deep-sea anglerfish stuns biologists
China claims 'quantum leap' in understanding fetal development
cost of soil erosion in Europe
Study: Learning about Dad Bods causes greater essentialism of fathers - People see fathers as a more distinct group after reading about so-called Dad Bods, according to research published in the Journal of Experimental Social Psychology.
The Myth of Optimality in Clinical Neuroscience
In field tests, a new water-harvesting device successfully pulled water from the desert air in Tempe, Arizona. The new technology could allow humans to survive in some of the most inhospitable regions on Earth.
Caloric restriction results in less oxidative damage and slowed down ageing
A new study shows that ‘weak’ types of plant fungi which cannot cause disease in resistant plants do have sex, allowing maintenance of their genes in populations. This means that the ‘strong’ types which can kill resistant plants not rapidly dominate, extending the longevity of resistant varieties.
Scientists witness first reported case of killer-whale infanticide
Found in the Atacama Desert in Chile, "Ata" was called a mummified alien, but a team of scientists have identified in her DNA mutations in genes related to bone development never seen before.
Published this week in the International Journal of Obesity, the study suggests that parents who underestimate the sugar content of everyday foods and beverages commonly included in children’s diets are exposing their children to an increased risk of obesity or overweight.
A new DNA analysis of the 'Atacama alien' skeleton reveals the genetic mutations that likely gave it its extraterrestrial appearance.
More than one in 10 people who have never used class A drugs may have traces of cocaine or heroin on their fingertips, forensic scientists say. The scientists believe the participants became contaminated from banknotes, tables and other surfaces, as reported in the journal Clinical Chemistry.
New Study Details "Death By Bee Acupuncture Therapy" after woman dies following two years of treatment. The procedure has been touted by Goop founder Gwyneth Paltrow, Kate Middleton, and others.
Earwigs have wings that fold in ways that should be mathematically impossible, according to origami theory. The common pests have a rubbery polymer that lets them fold up their wings into tiny packages.
Genome Sequencing Adds 5 New Neanderthals to the Human Family Tree - "Having the genomes of these younger Neanderthals increases the amount of Neanderthal DNA that can be identified in present-day people."
Identifying an object in an unexpected location is quick, but responding to it is slower because it's processed in the middle stages of visual processing
'Alien skeleton' from the Atacama desert proven to be human. Grants new insights into the genetics of bone disease.
Switching from unhealthy to healthier diet lowers depressive symptoms more than social support sessions
Recent Study Suggests 'Oumuamua (first known interstellar object in solar system) Originated From a Binary Star System
Music Preference and Usage
Report of final results regarding brain and heart tumors in Sprague-Dawley rats exposed from prenatal life until natural death to mobile phone radiofrequency field representative of a 1.8 GHz GSM base station environmental emission
Squids have a tougher time hunting these days, and it's because of climate change. High carbon dioxide levels affect how they go after prey, researchers found. It "could have far?reaching consequences in marine ecosystems due to the ecological importance of cephalopods in the marine food web."
Medical expansion has improved health – with one exception: Increased spending on health care and increases in specialized care were both associated with longer life expectancy and less mortality, but growing drug industry linked to worse health in 30 countries.
Being in the hospital leads to a 20% drop in future earnings on average for adults 50-59, even if they have medical insurance
1 rseasmith Hello and welcome to /r/science! We welcome honest, on-topic questions and comments about the discussion of new research. We highly suggest you read the abstract of the peer-reviewed journal article titled [Adolescent cannabis use, baseline prodromal symptoms and the risk of psychosis]( published in *The British Journal of Psychiatry* before commenting. [In particular, comments that are only anecdotes or jokes will be removed]( This includes your own personal experiences or opinions about cannabis use. If you are looking for a subreddit with less strict rules about comments and submission requirements, feel free to visit our sister subreddit /r/EverythingScience.
4228 gobzin I'm in the process of actually conducting a systemic review on this topic. The evidence tends to support this idea that earlier age of initiation of cannabis is associated with earlier age of onset of psychosis. Some studies have managed to start using salivary cortisol as biomarkers to strengthen their evidence, but many of the studies I've reviewed discuss many covariates of cannabis use and the whole notion of "did psychosis occur before cannabis exposure" and also the frequency and potency seem to play a large role in the onset of psychosis. However, even after adjusting for confounding variables, the groups that are exposed to cannabis at a younger age still show increased odds of developing psychosis, anxiety, and cannabis dependence at a younger age. EDIT: Here are some articles that our team has been reviewing. There are much more, but I will leave it to the readers and those who are more interested to continue to search for more evidence, both for and against it.
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454 DijonPepperberry There is significantly more evidence that adolescent cannabis use is associated with psychosis. Though many studies are purely correlational, and because it is unethical/impractical to randomize to cannabis use so we can never get the true randomized tests, there are multiple cohort studies like this that clearly lean us in the direction of **cannabis causing** psychosis. Bottom line, with our current state of knowledge, early cannabis use isn't a great idea with youth. Later seems better and less seems better. 1-2% of the population will develop psychosis, so you could be exposing yourself to a 1/20 chance of developing psychosis with early cannabis use. I'm not sure how we'll ever establish cause. But it's ok to take the lean this direction, espscially as there is almost zero evidence of benefit for youth. If benefits emerge, then the weight of our association/cohort knowledge will need to be weighed against it.
86 baronvf It'd be great to put some measure of social isolation out there to see if that is an intermediary variable. Having worked with a great deal of young adult manic/psychosis patients...there often is an associated social isolation component to their story in addition to daily marijuana use. In other words Does early onset use isolate one from their peers which contributes to social isolation or is it the substance itself that is driving psychotic symptoms towards expression and subsequently social isolation due to reduced reality testing ability ? Nevertheless, think the research is still fairly suggestive of the recommendation family history of psychotic illness : don't smoke weed until you are 21+ years of age.
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