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A 41-year-old member asked:

should i be worried about bpa? i've been told that there is some possibility that plastic nalgene water bottles leach chemicals into the water. i've found conflicting opinions about the veracity of these claims on the internet. what's the truth? is plasti

2 doctor answers2 doctors weighed in
Dr. Geoffrey Rutledge
Internal Medicine 41 years experience
The : The johns hopkins medical alert letter states that the quotes from johns hopkins in popular email letters are falsely attributed. According to rolf halden, phd, pe, assistant professor in the department of environmental health sciences and the center for water and health at the johns hopkins bloomberg school of public health, we should be more concerned with the quality of the water we drink than the containers water comes from. However, some water bottles contain phthalates, and these can leach into the water at a rate related to how hot the water gets. There is some current understanding that the chemicals released into water by phthalates can act like the hormone estrogen in the body, causing a variety of impacts. The best thing seems to not heat up foods/drinks in plastic containers unless they were designed for this. It may in future become clear that we should limit our exposure to water from plastic bottles; at this time most people are limiting exposure of babies and young children more than adults.
Dr. Cathie Lippman
Environmental Health 48 years experience
Yes, worry: Bpa is an estrogen-like compound. It, and chemicals like it, have been found to alter the normal balance of hormones in animals. Bpa may be contributing in part to the lowering age for menarche (onset of periods) we are seeing in females. Imbalance of hormones can result in increased risk of cancers. Thus avoid plastic and also aluminum containers lined with bpa.

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A member asked:

Is it ok to use soapy water instead of wipes during changings?

5 doctor answers9 doctors weighed in
Dr. Becky White
Pediatrics 20 years experience
Yes: Definately, or even just a wet washcloth. That's what our mothers used! wipes are convenient, but sometimes can worsen rashes.
A 34-year-old member asked:

What is happening when water "breaks?"

2 doctor answers2 doctors weighed in
Dr. Amy Herold
A Verified Doctoranswered
A US doctor answeredLearn more
Amniotic sac rupture: "water breaking" is when the sac holding the baby's amniotic fluid ruptures, typically causing a gush or persistent trickle of fluid. This usually occurs at the end of pregnancy or during labor when the cervix is starting to dilate, disrupting the membranes. Occasionally it can happen prematurely which requires hospitalization.
A 40-year-old member asked:

Can my water break in the absence of other symptoms?

2 doctor answers5 doctors weighed in
Dr. Stephen Scarantino
Obstetrics and Gynecology 26 years experience
Yes: Yes and since your water breaking is an important event (at any time when you are pregnant) you should always inform your obstetrician if you think you broke your water; even if you are not sure. You do not need to experience a large "gush of fluid" in order to have broken your water.
A 32-year-old member asked:

What will it feel like when my water breaks?

2 doctor answers2 doctors weighed in
Dr. Amy Herold
A Verified Doctoranswered
A US doctor answeredLearn more
Gush of fluid: Usually when your water breaks it feels like a gush of fluid. It is usually clear with a pink tint and no odor. Urine will be yellow with an odor. Sometimes it can be a trickle of fluid that doesn't stop. If you are not sure put on a pad for an hour and see if it is wet or call your doctor and they will do an exam.
A 34-year-old member asked:

Do I sweat out a couple lbs of water everytime i'm on the bike?

1 doctor answer1 doctor weighed in
Dr. Michael Sparacino
Family Medicine 37 years experience
Maybe: Depending on how hard your workout is and on where it is, you easily could sweat that much. Make sure you replace it with nonalcoholic fluids.

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