Class Notes (808,123)
Canada (493,018)
EESA10H3 (489)
Lecture 8

EESA10 - Lecture 8.doc

6 Pages
Unlock Document

University of Toronto Scarborough
Environmental Science
Jovan Stefanovic

Lecture 8 Foodborne Hazards and Human HealthFoodborne illnessesThere are two major forms of foodborne illnesses Transmissible diseases examples bacteria viruses and parasites worms etc Non transmissible diseasesexamples Shellfishassociated toxins something that can cause poisoning Colour additives Bioengineered foods Obesity Diabetes Cardiovascular diseases can also be associated with foodTRANSMISSIBLE FOODBORNE ILLNESSESTypes of FoodCanada has one of the safest food supplies in the world However every year significant number of people get sick as a result of the contaminated foodSome examples of food that could turn out to be the reason of poisoning include Meat number one cause milk dairy products cheese in summer ice cream can be very risky from some sources unpasteurised fruit and vegetable juices pasteurised fruits and food material is not that bad for our health as most the bacteria and contaminants are killed during pasteurization But unpasteurized material can be very toxic if they are contaminated raw or undercooked eggs chicken tuna potato and macaroni salads cream filled pastries fresh produce like some vegetables spinach can cause food poisoning or salmonellosis spices chocolate has milk in it seafoodIt is not only up to the type of the food it is also up to how we handle and process the food For example food standing too long in the room temperature maybe it needs to be in the refrigerator right away improper cooking contaminated cutting boards and kitchen tools Symptoms of Foodborne illnessAll of these symptoms are related with your stomach These include diarrhoea abdominal cramping fever vomiting headache sometimes blood in the stool It could also be that you could have all of these symptoms together Usually these symptoms occur after one or two hours of consuming the contaminated food However sometimes when viruses or parasites are the cause of the contamination then it can happen after a couple of days or couple of weeks but not right away If bacteria are the cause these symptoms will start very quickly after you eat the contaminated food Your symptoms will not last for very long usually no longer then a week In more severe cases the duration can be longer for 710 days For most people these diseases are not life threatening if the person does not face the complications They can be very severe for young children as they can dehydrate very quickly they cannot drink as they vomit all the timeThey also can be dangerous for old people as they already have weak immunity Also they can be dangerous for people with certain diseases and conditions such as liver disease iron disorder people with lower iron in blood can cause problems if it lasts for a long time diabetes and cancerPrevention of Foodborne illnessesPrevention of food borne illness starts with your trip to the supermarket
More Less

Related notes for EESA10H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.