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I was always curious about the mental sharpness / memory portion. I know the short-term memory impairment is well documented but in regards to mental sharpness, that's a bit more nebulous and hard to hone in on. Is there any evidence that the use of cannabis effects cognitive ability while not under the effects or "high" of the drug?


I'm a former daily smoker. I carry a water bottle with me everywhere. When I was a daily smoker, I would pretty frequently forget where I had just set my water bottle down. My partner still gives me shit for it. Since stopping, this is a very rare occurrence.

As far as the mental sharpness thing goes,I didn't notice any major changes. Some people I know would have some fogginess the day after. This never affected me personally. I think brain fog is definitely a real thing for _some_ users.

I totally understand this is anecdotal. I'm just trying to share my experiences. I hate how defensive people can be about cannabis. I am sympathetic to this because giving proponents of cannabis prohibition anything to latch onto delays progress. It should be legal. People should also have honest discussions about it. It's a fairly low risk drug IMO, but it is a drug.


Speaking from personal experience (several years of nearly daily use with “off” periods of a few months) - the loss of sharpness was indeed a bit more nebulous but definitely real.

On the plus side, I recently discovered low THC, high CBD strains that offer the anti anxiety benefits without loss of sharpness or short term memory. There’s almost no psychoactive effect, so this won’t get you high, but it will chill you out and help you get in the zone if you struggle with anxiety or PTSD symptoms.


For me, it leaves a lingering effect on my short term memory and mental performance, that sometimes bleeds into the next day.

Long after the high wears off, I sometimes consciously can tell "wow, I am really mentally underperforming today".

It's more difficult to form quick/sharp responses when talking, my though process isn't as sharp, and its kind of like my brain has more difficulty following trees of connections that I am normally very quick at.


I think the worst change I made after I began regularly smoking was ceasing my regular workouts. I felt that I was making more intellectual and emotional progress with regular meditation while high than I was with my body during workouts, which I struggled with at the time for various reasons. My life has become much busier since I began smoking (much of which I positively attribute to the creativity I felt while smoking), and I haven't been able to get back into a regular workout schedule, despite not smoking often anymore. I am thinking now that the biggest detrimental impact on my memory and happiness came from losing my exercise routine more than the marijuana itself.


the pot doesn't have anything to do with you ceasing your workouts. the brasilian jiu-jitsu community has an incredible high # of regular users, while high.


It didn't make me stop exercising, no. I was dealing with some undiagnosed health issues that made my workouts exceptionally unproductive and chose to spend more time writing poetry, painting, and journaling while high instead of continuing my workouts. I felt I was making more personal progress with those than with exercise, and that being creative and productive was a better use of my time and energy.

After ending my five year exercise habit it became a lot harder to start exercising again, and brain fog and laziness began setting in. The highs also got a lot duller and less productive, and I subsequently began seeking the highs I knew from when I was in good health which led me down the wrong path for a while. I'm not blaming marijuana for this in any way, just acknowledging that I stopped exercising when I started smoking, and that some physical/mental health issues I've had since then most likely exist because I haven't been exercising.

In other words, putting psychoactive chemicals in your brain is a big deal and you should try to establish strong personal health and wellness routines before you begin doing it, and then prioritize those routines above the chemical habit.


Any daily pot-smoker will tell you that their short-term memory declines after a few weeks of daily/hourly use. It's extremely well known, though perhaps not well documented.


Right, I acknowledge that in my previous comment. I was more referring to the mental sharpness or cognitive ability. I was curious if there was a noticeable difference in critical thinking/problem solving for users while they are not under the effects of the drug itself


The effects on memory are related to the time since you smoked and are most noticeable after 1-3 hours. Basically, you get stimulated at first (during which time you may actually have increased creative problem solving) and eventually you get tired or "burned out". It feels a lot like low blood sugar which is why some people over eat. If you smoke a lot these effects can linger as a sort of hang over. If you smoke every day for years, it might last a few days.


Speaking for myself. If smoking regularly yes, there's a decline, even 12 hours after the high has gone. The more I spread things out however, the greater the benefits seem to be, both during and after. Every couple of weeks would likely be most ideal.


As an unscientific experiment, compare the rate of spelling and grammar errors in the comments on this article to the error rate in HN comments overall. I think I see a pattern, but it may be that all I'm seeing is my own biases.


So, the phone's autocorrect is smoking?


Slightly off topic but would it be an advantage to use a low energy miner such as a Raspberry Pi as a bitcoin miner, or would that just be a waste of time and yield fractions of a cent / a cent per day? Admittedly little knowledge on bitcoin mining


Unfortunately, it hasn't been possible to mine Bitcoins on a regular computer (even a powerful one) for many years. If your laptop joined a mining pool in 2014, you would have earned around $0.20 USD per week, and you would spend much more than that on electricity. It's some tiny fraction of a cent now.


Bitcoin is usually mined through mid-to-high end graphics cards. People running a pool of 6-7 of these cards per machine are seeing diminishing returns, so using a Pi wouldn't cover the electricity needed to keep it running.


Bitcoin is mined using ASICs, and not GPUs.

But, it’s true that mining using a raspberry pi would not be very useful.


Beyond the novelty of doing it? No, completely not worth it.


The same thing happened to me last week. Noticed a number of Uber charges being hailed from Moscow, Russia which was brought to my attention by Chase's fraud prevention. They recognized the charges as suspicious and denied to let any of them through so I ended up not losing anything besides my debit card which I had to cancel. Changed my password and ordered a new debit card and everything is resolved. However, I was very surprised to see a hacking effort towards an Uber account versus something like an Amazon account...


"Incredibly healthy" is a stretch when it comes to power-lifting. In fact, while power-lifting helps to rapidly gain and develop muscle, it's extremely unhealthy to your joints and poses a high risk of injury. For those looking to get similar exercise and results to powerlifting, check out body-building. Emphasis on slow and controlled form and muscle gain (aesthetics).

Some good sources: http://scoobysworkshop.com/ http://www.bodybuildingrevealed.com/

disclaimer - I've used SS with great results, however this is not a program for everyone, keeping in mind we are on a science/tech forum


I've dabbled in both constantly (3 times a week) for the past 15 years. Although body building can sculpt a body, I never felt really as fit and as strong as I do with power lifting, with an equivalent physique. Something about isolating muscles seems to 'erode' athleticism power/strength. YMMV.


>it's extremely unhealthy to your joints and poses a high risk of injury

Do you have any sources for this?


I'd wager it's unhealthy as a sport, but that health maintenance involves much more reasonable weight goals.


I don't presume these offers are entry-level?


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