No. First of all, the majority of all HIV and AIDS cases are of heterosexuals. Second, HIV can be spread through other ways besides sex the chances of contracting the virus can be reduced by practicing abstinence but being safe and careful will help in decreasing chances of contracting Hiv
yes
Yes whether boy or girl you still have a chance of contracting AIDS.
There is a low chance if it just goes into the skin. But if it goes into a vein, it may increase the chances of contracting it.
Approximately 1 in 170.
Being born with certain genes.
There is a higher chance of contracting the Bends when you dive with diabetes. I'm not sure why this is true, however.
Assignment of persons by a method based on chance
The chance of contracting chronic kidney disease has increased over the past few years, particularly within the United States. The chance of contracting the disease drastically increases with age, and is a fairly common disease that requires immediate treatment.
I think it means to find the theoretical probability of something random that has results that are numbers. For instance, rolling a die and trying to get a 6 is a "chance activity with numerical outcomes".
warming up (including stretching) before an intense activity reduces the chance of pulling or even tearing muscles. This does not usually prevent from being sore afterwards or the next day though. you should stretch and warm up before the activity and stretch alot after the activity, and especially stretch what feels the most sore to you.
The best word I can think of to match that description is a raffle.
A retractable lanyard is also known as safety harness. Jobs requiring persons to use these would include persons working at heights such as window washers, hydro workers. Persons working in jobs where there is a chance they may fall wear retractable lanyards.