Biology Bacterial Culture Experiment Experiments using bacterial cultures are quite dangerous because if any unwanted bacteria mixes in with the experiment or gets on our hands it can contaminate experiments. Therefore we must use aseptic techniques. Everything must be sterilized and precautions must be taken to stop bacteria from the air getting in.
Medical conditions are slow to develop and have multiple risk factors connected to them. What we do know is that sleeping fewer than about eight hours per night on a regular basis seems to increase the risk of developing a number of medical conditions.
The study results below show that reducing sleep by just two or three hours per night can have dramatic health consequences. Obesity—Several studies have linked insufficient sleep and weight gain.
For example, one study found that people who slept fewer than six hours per night on a regular basis were much more likely to have excess body weight, while people who slept an average of eight hours per night had the lowest relative body fat of the study group.
Sleep deprivation increases the levels of many inflammatory mediators, and infections in turn affect the amount and patterns of sleep. Common Cold — In a recent study, people who averaged less than seven hours of sleep a night were about three times more likely to develop cold symptoms than study volunteers who got eight or more hours of sleep when exposed to the cold-causing rhinovirus.
In addition, those individuals who got better quality sleep were the least likely to come down with a cold. More importantly, insufficient sleep can ultimately affect life expectancy and day-to-day well-being.
An analysis of data from three separate studies suggests that sleeping five or fewer hours per night may increase mortality risk by as much as 15 percent. Rogers discusses the relationship between sleep deprivation, weight gain, and diabetes.How can people learn more about HPV?
Most high-risk HPV infections occur without any symptoms, go away within 1 to 2 years, and do not cause cancer. Some HPV infections, however, can persist for many years. Persistent infections with high-risk HPV types can lead to cell changes that, if untreated. Learn more about prevalence of ASD» Learn more about the ADDM Network» Learn more about MADDSP» Risk Factors and Characteristics.
Studies have shown that among identical twins, if one child has ASD, then the other will be affected about % of the time. Identify the key factors that will make it more likely that infection will occur The risk of infection is more likely if: • Age - Elderly have reduced immunity, poor nutrition, and drier fragile skin • Malnutrition- May makes healing difficult after surgery • Obesity - risk factor for some infections • Skin folds - permit skin to remain moist eg under breasts or groin allowing germs to multiply • Poor personal hygiene, .
We will write a custom essay sample on Causes and spread of infection specifically for Identify common sources of infection.
•Contaminated equipment. touching, biting, sexual intercourse. •Indirect contact such as – airborne. Identify the key factors that will make it more likely that infection will occur. •Weak immune. Causes and Spread of Infection; Causes and Spread of Infection.
Bacteria 2 – Identify common illnesses and infections caused by bacteria, viruses, fungi and parasites. air, food, water, objects or substances in the environment, or other animals. 5 – Identify the key factors that will make it more likely that infection will occur.
The Hidden Costs of Insufficient Sleep. Sleep is often one of the first things to go when people feel pressed for time. Many view sleep as a luxury and think that the benefits of limiting the hours they spend asleep outweigh the costs.