NOTE: For professional medical advice, please contact your physician.

learn more… | top users | synonyms

22
votes
7answers
3k views

Is one allowed to smoke Marijuana?

Not taking into account Dina D'malchusa, what are the Halachic problems with smoking marijuana? Is it allowed?
18
votes
4answers
2k views

Is practicing Yoga against Torah?

What does Halacha and Halachic Authorities have to say about the permissibility of a Jew practicing Yoga? Is it Avodah Zarah? If it is problematic, are there methods of doing it where it would be ...
14
votes
5answers
431 views

Saying “Laberiut” “God bless you” or “Gesundheit”

Is there are source for saying "Laberiut" "God bless you" "Gesundheit" or any other response to a sneeze? In other words, are there posekim who mention it in Halacha?
14
votes
2answers
983 views

Is Exercise on Shabbos Allowed?

Is one allowed to do exercises on Shabbos? Are any types allowed? Some examples of different types: Lifting weights or heavy items Jumping jacks Taking a walk (long, but without Techum issues) ...
14
votes
3answers
487 views

Should one induce vomiting upon realizing s/he just ate non-kosher?

I've heard several stories of people who ate something, realized it was non-kosher, and therefore induced vomiting. Is this halachically required? Recommended? Does it accomplish anything? (If not, ...
13
votes
1answer
510 views

Is one allowed to drink alcohol on regular weekdays?

Is it permissible to drink alcohol in any circumstance other than Holidays and Shabbat? Please cite sources. CYLOR.
13
votes
3answers
561 views

Is it better to kill 1 person or let 5 die?

I was recently reading about the Trolley Problem A trolley is running out of control down a track. In its path are five people who have been tied to the track by a mad philosopher. Fortunately, ...
12
votes
1answer
529 views

Mouthwash on a public fast day?

Is it permitted to use mouthwash on a public fast day? Would a sensitive mouth, due to medical reasons be a good reason to be lenient? (I can see it being less problematic than brushing one's teeth, ...
12
votes
3answers
712 views

Is Metzitzah B'peh a must?

There is a lot of talk in the news, etc., about Metzitzah B'peh that employs direct oral contact being dangerous. First: If it is dangerous, shouldn't pikuach nefesh push it off? Second: How ...
12
votes
1answer
232 views

Sneezing during davening

I have read in the Gemara (Berachoth 24B) that sneezing during the Shemonei Esrei is a sign that your tefillot have been accepted. "Just as you have been granted relief below, so you have been granted ...
10
votes
2answers
480 views

What can a pregnant woman do if she already stepped on nails?

A pregnant women is advised by the gemara (Nidda 17a) to avoid stepping on cut human nails out of fear of miscarriage. What can she do if she has already stepped on them? Is there a way to "fix" ...
9
votes
2answers
863 views

How should one dispose of cut finger nails? Is it dangerous for a pregnant woman to walk on them?

Is there an Inyan of pregnant women walking over cut nails ex: a nail salon? Also, can I just vacuum up the cut nails from the floor?
8
votes
3answers
868 views

How do I avoid thirst when fasting?

I started fasting on Yom Kippur as an adult, about 10 years ago. A couple times I had to drink a glass of water either after Kol Nidre or before Shacharit, because I felt completely dehydrated (I did ...
8
votes
2answers
293 views

Does kosher mean healthy?

What is the relation between kosher and healthiness? G-d wants us to eat properly but also to be healthy. For example, it is better to try not to eat too much meat (even if it's kosher), and more ...
8
votes
2answers
323 views

Having children when both parents are Tay-Sachs carriers

This is an obvious CYLOR question, but I am interested in whatever halachic information is available out there. Suppose a couple got married without ever getting genetically tested for Tay-Sachs. ...
8
votes
1answer
68 views

Are bushes acceptable for elevations that require a maakeh, a fence?

If evergreen bushes span the entire length of a side of a porch, at about waist-height for someone on the porch, do the bushes remove the need for a railing? The difference being that a railing can be ...
7
votes
5answers
218 views

Does one need to perform a delayed brit milah at the first possible time?

If a baby is sick on the 8th day, the brit is pushed off until the baby is healthy. Once the mohel and doctor determine that the baby is healthy, does the brit need to be performed right away (on that ...
7
votes
3answers
412 views

Halakha and Spiritual Healing?

What are the halakhic guidelines and limitations for using psukim from the Torah to heal illness? Does it make a difference if the psuk is being used to heal a "spiritual" malady which is believed to ...
7
votes
1answer
79 views

Heating non-food items on Shabbath

Is it permissible to heat non-food items on Shabbath? Assume the method of heating is to use an existing heat source (a blech, or the top of a crockpot or hot water urn). Would it matter if it is ...
7
votes
3answers
354 views

Can you take vitamins on a fast day?

Can you take vitamins on a fast day?
7
votes
1answer
174 views

What height porch requires a railing?

What are the different opinions of heights (in American or metric units) that requires a railing for the side of a porch?
6
votes
3answers
663 views

Choking on a Fish Bone

I remember learning once that the גמרא says to perform a certain procedure / say certain words when someone is choking on a fish bone. I also remember hearing that this is the one cure mentioned in ...
6
votes
4answers
345 views

Are Jews permitted to work out?

Are Jews allowed to pump their muscles? What if the intent is to make yourself look good?
6
votes
3answers
477 views

What is the best way to break a fast?

After a fast often people get sick when they eat. What type of food or drink is the best way to break the fast and avoid becoming ill?
6
votes
1answer
134 views

What are the opinions regarding eating small-bits-at-a-time (“leshiurin”) on Tisha B'Av when necessary?

I know on Yom Kippur, if someone is medically required to eat, s/he should do so with only a bit of food every few minutes, to avoid the full severity of eating "a full serving in one sitting." On ...
6
votes
1answer
112 views

Is one allowed to be fat?

Is one halachically allowed to be fat (overweight or obese), or must a fat person take steps to reduce their weight and maintain a reasonably healthy body (and likewise, a healthy person must not ...
6
votes
3answers
172 views

Covering containers of water

In the Talmud (Chulin 10a), Chazal taught that one should not drink water, wine or milk from containers that were left uncovered because a snake and its venom might have gotten into the drink and it ...
5
votes
2answers
141 views

What possible Kashrus concerns may exist with these vitamins?

Recently my child's Doctor prescribed vitamin drops for my infant son. When I went to the pharmacy to fill the prescription the pharmacist said that the vitamin drops prescribed are Treif, and the ...
5
votes
1answer
897 views

Is metzitzah b'peh required when an adult is circumcised or in the case of hatafas dam bris?

As we've discussed in a general question regarding the requirements for metzitzah b'peh (MBP), the direct-oral-contact technique to draw blood from the penis of an 8-day old infant at his bris milah ...
5
votes
1answer
95 views

Machine shmurah whole-wheat matza?

Usually in the store I can find machine-made shmurah matzah, and machine-made whole-wheat matza, but never machine-made whole-wheat shmurah matzah. Does anyone know if such a product is available, ...
5
votes
3answers
374 views

Headache remedy on a fast day?

Even with proper pre-fast hydration and caffeine reduction, I almost always get a headache starting around hour 20-22 of a fast and growing from there. Taking a nap is sometimes possible and ...
5
votes
1answer
86 views

Lighting Chanuka candles on Erev Shabbat

Since it's not common sense to leave a fire unattended (or against an apartment building's guidelines to have unattended fires), what's the general minhag for lighting Chanuka candles on Erev Shabbat ...
5
votes
0answers
57 views

How far do I have to go to take care of myself?

The mitzvah of V'nishmartem (Devarim 4:15) requires a person to take care of their health (Shulchan Aruch C.M. 427:8, Kitzur Shulchan Aruch 32:1). How far does this go? Do I have to exercise daily? ...
4
votes
7answers
714 views

Things we do not do because of Danger

What are things Brought down in Halacha that we do not do because of Danger?
4
votes
3answers
503 views

chapstick/vaseline on shabbos

How should one deal with chapped lips on shabbos? Is it considered refuah?
4
votes
2answers
171 views

Can you daven with minyan when you have the flu?

Are you allowed to go daven with a minyan when you have the flu or other highly contagious illness? Is it considered potentially damaging someone else's health, or are the chances of someone else ...
4
votes
1answer
214 views

Eating fish and meat together

The reason given for not eating fish and meat together is due to Sakana. In current times it does not seem to be a Sakana, (Nishtanu HaTeva). Would you be allowed to eat them together? If not - why ...
4
votes
1answer
177 views

May a Brit Milah be performed by a (non-Jewish) doctor?

Some friends would feel more comfortable having their newborn circumcised with a regular doctor and in a hospital setting where the environment is more sterile, maybe better pain management options ...
4
votes
1answer
235 views

May one consume peyote?

Peyote is a hallucinogenic plant that contains no harmful side effects or addictive properties and is legal for religious ceremonial use. May one consume it? related: Is one allowed to smoke ...
4
votes
2answers
138 views

Exercises to prevent eyes tiring

It often happens to me that after learning the whole day and reading lots of text especially with small letters I feel my eyes very tired. Who knows good set of exercises that don't takes lot of time, ...
4
votes
1answer
182 views

Tuesday and Friday nights

Bavli P'sachim 112:2 has a story of an angel of destruction who would work daily (see Rashash) until asked to quit. When she requested some time to work, the rabbi she was talking with allowed her ...
4
votes
1answer
74 views

Transfer of taste to/from non-food items

There are a number of heating pads on the market for heat therapy cures and general warmth in the winter. Some are electric, but some of them need to be heated in a microwave or an oven. If you heat ...
4
votes
0answers
83 views

an adult's responding to a child's sneeze with a blessing, or vice versa

The halacha states (Mishnah Brurah 230: 7) that one should respond to a sneeze with a blessing and the person who sneezed and was blessed should return with a blessing in kind. this is not done if you ...
3
votes
2answers
269 views

Is a Cohen Allowed to Perform CPR?

CPR is performed when the heart has stopped but the brain is still alive. We have a general rule that a Cohen is not allowed to come in contact with a dead body. If so, does this mean that a Kohen ...
3
votes
1answer
99 views

Permissibility of using Cell Phones

With all the radiation "reports" going on, is it okay to use them? Or does this fall under watching one's safety?
3
votes
1answer
110 views

Blowing out channukah candles before leaving the house

I know that as long as channukah candles are lit and the candle goes out by itself, you already did the mitzvah. I also know that you should have the channukah candles lit for at least 30 minutes. ...
3
votes
3answers
160 views

Do you have to close the window if someone's cold?

The LinkedIn FrumNetwork user that I recently corresponded with about the wisdom of the crowd brought up an interesting bit of conventional wisdom that she claims is at least partly apocryphal: ...
3
votes
2answers
100 views

Biting your cheek

I have a habit of biting the side of my cheek, On shabbos, would this habit be considered breaking shabbos?
3
votes
1answer
110 views

Can non-kosher meat be eaten with fish?

The prohibition of mixing meat with milk and of deriving benefit from their mixture concerns only kosher meat (Hullin 8:4 [113a]; Hilkhot Maakhalot Assurot 9:3; Yoreh De'ah 87:3; etc). As such, it may ...
3
votes
2answers
135 views

How is it that harm befalls a shaliach mitzvah if the Gemara says it doesn't?

As a followup on this answer from another question, the Gemara on Pesachim 8a seems to say that a shaliach mitzvah, someone who is doing a mitzvah or on the way to do one or even on the way back is ...