Category Archives: Biological Sciences

Thinking of pulling an all-nighter? You may want to think twice!

We all had one of those stressful nights with exams and had to pull all-nighters. However, will it actually help you get an A? Recent studies show that it may be more beneficial for students to sleep on time rather than staying up all night. Lack of sleep have shown to affect both memory retention and health.

all-nighter Source: flickr

All-nighter.  Photo Credit: Edward Langley. Source: Flickr

Firstly, sleep and memory are interconnected. Sleep is essential to turn short-term memory into long term memory. This is known as memory consolidation. With inefficient amounts of sleep, this process cannot be completely successful. Furthermore, hippocampus is where all the memory is stored in the brain. This is where it can be greatly affected by lack of sleep. Research suggests that important points throughout the day are recycled through the brain specifically in the hippocampus.

Hippocampus Source: Flickr

Hippocampus.  Photo Credit: Steve.Milway. Source: Flickr

One of the research models about memory formation is the O’Donnell and Sejnowski’s model. Their model suggests that memory formation occurs during the dreaming stage. During this stage the hippocampus organizes memory by retaining the important information from the ones you don’t need.

Secondly, sleep deprivation is a serious factor that can affect one’s health. It affects millions of people in North America. It can be caused by stress and anxiety. There has been a link found between sleep deprivation and cell damage. Research has found damaged cells in the liver, small intestine and the lungs.  They found that lack of sleep causes cell damage showing that there is a direct link between sleep and health. However, further study shows that recovering from lack of sleep restored those damaged cells. This shows that a consistent sleeping schedule is vital for a healthy body and memory.

In addition, lack of sleep can cause the memory to recall information inaccurately known as memory distortion. Kimberly Fen, an MSU associate professor of psychology mentions that memory distortion is greatly increased during sleep deprivation. Many students do not get enough sleep every day and are sleep deprived throughout the weeks. This makes it more likely for them to have memory distortion and can worsen as they age.

Furthermore, in another research study led by Brigham and Women’s Hospital, they found that women who sleep five hours or less per day experience a more distorted memory later in their life. They even found that a greater fluctuation in the amount of sleep can seriously affect the memory. Getting a regular amount of sleep will prevent memory distortion.

Sleep studies Source: Flickr

Sleep studies.  Photo Credit: Chief Jimbo. Source: Flickr

Looking back at this, it is not worth the risk of pulling an all-nighter to hopefully ace the test. We must look past just the test and focus on our health. Sleep deprivation has been linked to cell damage that ultimately affects our health. Just hit the hay rather than staring at a book the whole night.

-Manpreet Takhi

 

Aside

How many hours in a day do you spend sitting down? You may not have put much thought into how much you sit, but the amount of time you spend sitting has been linked with several health risks – including death. … Continue reading

Friendly Fecals

Poop pills may be the solution for thousands of people suffering from recurring Clostridium difficile infection. C. difficile is a bacteria in the lower gut that causes colon inflammation, resulting in symptoms such as watery diarrhea, nausea, fever, abdominal pain and loss of appetite.

Image Source: Flickr Commons

Clostridium difficile   Image Source: AJC1 on Flickr

C. difficile may account for up to 14 000 deaths out of the 300 000 cases reported each year in the United States alone. Over the last decade, the number of infections has reached epidemic proportions. The major issue is that anyone taking broad-spectrum antibiotics is susceptible to this infection; antibiotics eliminate both harmful and healthy bacteria in the gut, leaving a patient vulnerable to contamination. The bacteria survive and are transmitted through feces, making outbreaks in hospitals common.

Numerous treatments have been proposed and tested, including vaccinations, antibiotics and fecal transplants. Fecal microbiota transplantation (FMT) has been the most effective method in reducing the recurrence of infection, but the process is costly and complex. The idea is to replace healthy gut flora in infected patients by using the gut bacteria from another person. First, screening for a healthy donor must take place. It is essential that donor testing is thorough, to reduce the spread of infection. The feces are then transplanted into the recipient’s lower gut, either by colonoscopy, enema or through the nose using a nasogastric tube. As a result of extremely high costs of these procedures, some patients have opted for the “do-it-yourself” method of transplantation. Most people who decide to do it themselves at home are not professionals, nor are they being held to the same standards as a hospital would be. Although there are many success stories, there has not been any research into the effectiveness or risks associated with the DIY method.

Some research shows over 90% of patients have been cured by FMT procedures conducted in hospitals. It is probably for this reason, along with the fact that there is a very low chance of patients experiencing any serious side effects during or after the procedure, that so many are turning to FMT as a long-term solution.

Here is a brief animation by MinuteEarth about fecal transplants:

YouTube Preview Image

 

A slightly more appealing technique may be the new poop pills, which can be taken orally like any other medication. The effects of these frozen fecal pills were monitored in a recent study conducted at Massachusetts General Hospital. The results were very positive, and reinforced the conclusion that the fecal pills could be a viable option for patients. Since it has been shown that frozen and fresh fecal matter perform equally well, screenings and donations can be made before a patient actually needs it.

Image Source: e-Magine Art on Flickr

Variety of Pills  Image Source: e-Magine Art on Flickr

Many turn to antibiotics and medication to treat infection, but in this case, the cure may be all natural.

You can now say that you have been informed about the power of your poop!

– Anne Persson