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A 32-year-old member asked:

what are lipids? what do they do in the body?

1 doctor answer1 doctor weighed in
Dr. R. Kannan Mutharasan
Cardiology 18 years experience
Fats: Lipids are fats, and they do lots of things in the body: they serve as energy storage, make up the lining of our cells, and serve as signaling molecules in the body.

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A 42-year-old member asked:

What is the most fragile bone in the body?

2 doctor answers3 doctors weighed in
Dr. Charles Southerland
Podiatry 38 years experience
Pinky toe: Although it may not be structurally the most "fragile" bone in the body, the most often broken bone in the body is the 5th (or pinky) toe. In some sports, like sailing, the pinky toe is broken in 50% of athletes who are involved in the sport for more than 2 years.
A 35-year-old member asked:

Does your body get used to the fitness if you run every night?

1 doctor answer1 doctor weighed in
Dr. Jennifer Haley
Dermatology 23 years experience
Yes!: You will accommodate and will not have to work as hard so you will not get as good of a workout. I am a big advocate of hiit (high intensity interval training) and recommend you add hill work or some sprints to your workout to challenge yourself - 30 sec sprint with 90 sec jog works well x 8. This workout also enhances natural secretion of growth hormone and increases your resting metabolism.
A 34-year-old member asked:

How long would 5mg of lortab, stay in a 110 lb person's body?

1 doctor answer3 doctors weighed in
Dr. Peter Zimmerman
Pain Management 33 years experience
All depends: 1) do you take narcotics regularly? Your system will metabolize more rapidly. 2) are you asking how long they will provide effect? Typically 4-6 hours. 3) are you asking how long will it be before you test negative on a urine drug screen? Probably 2-3 days.
A 38-year-old member asked:

How long will pseudoephedrine last in your body?

1 doctor answer2 doctors weighed in
Dr. Thomas Benda, jr
ENT and Head and Neck Surgery 34 years experience
Depends on dosage: The bottles are usually labelled as to how long they last. 60 mg is marketed to last 4 to 6 hours, 120 mg 12 hours, and 240 mg all day. The generics may not work as a sustained release tablet as well as brand name drugs here. Pseudophedrine can cause palpitations, jitteriness, insomnia, and high blood pressure. By about age 40 i tell most people not to take it with any regularity.
A 35-year-old member asked:

How long does the normal flu virus live in the body after symptoms subside?

1 doctor answer2 doctors weighed in
Dr. Martin Raff
Infectious Disease 56 years experience
Not long: As you recover from influenza the body is building antibodies which attack and kill the virus.

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Last updated Feb 12, 2015

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