Ashley experienced pain and burning in the epigastric region when she lays flat in bed. This condition improves vihen she raises the head of her bed.
She has

Gastroesophageal Reflux Disease (GERD)

Explanation:

"Gastroesophageal Reflux Disease" is a condition in the digestive system that is caused by the backflow of acid coming from the stomach. Such backflow reaches the esophagus, especially when the person is lying in bed. Thus, it is essential to raise the head of the bed to a specific height (at least 6-8 inches). The person should be in an upright position to contradict gravity.

Aside from this, GERD may be prevented by not smoking or drinking acidic drinks like orange juice, not eating before going to bed and exercising.

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made

what are the options that have to match them to?