This article explains how a dogs heart rate variability can help identify if a dog has anxiety or problems like it. A scientist has done a study and explains how the heart rate go along with anxiety in dogs.
Some people can use a high-stress situation and turn it to help motivate them. Things like deadlines, set dates, and stuff that you have to prepare for can help a person become more organized and make them do things on time.
A device called doppel emits a heart beat like pulse to the wrist and can calm a public speaker. During a study, they made participant wear the device, some with it on and others with it off, and made them publicly speak. They found that those with it on had less increase in anxiety than the others.
In this article, scientists did a study to find a way for people to decrease their anxiety by using mental contrasting. Those who reduced their anxiety thought about a negative outcome in the future then thought about the positive present solutions that would prevent it.
In this article, it explains that by expressing our problems to people can cause our anxiety to increase. It also explains how uncertainty is also a key to anxiety increasing and becoming a main part of our lives.