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Questions tagged [blood]

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3 answers
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Is human blood treif?

OK, I know it isn't kosher, but what is the shiur? And do we hold "chetzi shiur assur min haTorah"? For an application, what if you get a cut while hiking in the woods; is it assur to clean the wound ...
Jeremy's user avatar
  • 8,934
16 votes
4 answers
5k views

After the first plague, where did Paro's magicians get water to turn to blood?

Sh'mot chapter 7 describes the first plague, with the Nile and all other water turning to blood (except the Israelites' water). Paro's magicians then turn water into blood, which convinces Paro that ...
Monica Cellio's user avatar
11 votes
3 answers
18k views

Cleaning blood from the temple

According to the Mosaic Law, blood was to be sprinkled on the alters, before the curtains and other places in the temple. This would result in many places, especially the curtains, being blood ...
למה זה תשאל לשמי's user avatar
7 votes
2 answers
7k views

Are We Not Supposed To Eat Fat?

In Leviticus 3-17 it states: All fat is the lord's. It is a law for you for all time throughout the ages, in all your settlements: you must not eat any fat or any blood. כָּל-חֵלֶב לַיהוָה חֻקַּת ...
Zach Leighton's user avatar
9 votes
2 answers
6k views

If Consuming Blood is Prohibited Can Jews Accept Blood Transfusions?

According to Leviticus 7:26-27 Jews shouldn't consume blood. So why can Jews accept blood transfusions in non-life threatening situations? Is the act of inserting blood via arm not considered "...
user avatar
2 votes
1 answer
582 views

Can I donate blood on yom tov?

The next blood donation clinic at my university is on Rosh Hashana and not for particular recipients. Would donating blood be halachically sound? I don't think I could anyway because of all the ...
gabiwab's user avatar
  • 33
2 votes
1 answer
242 views

Drinking human blood case permissibility

In Kesubos (I believe 60a) it says that you may not drink human blood because of Maris ayin (it can be misconstrued by a observer that you're drinking animal blood). So what if I have a sign on my ...
Orion's user avatar
  • 1,287
10 votes
4 answers
355 views

Why did the Mitzryim turn water into blood rather than vice versa?

Why didn't the Mitzryim magic makers just take away the blood from the first makkah to prove to Moshe that he was just doing magic and Hashem had nothing to do with it: why did they add blood (Exodus ...
cookie monster's user avatar
8 votes
4 answers
3k views

Do you have to check boiled eggs?

Is it necessary to check hard or soft boiled eggs for blood spots? I've never seen anyone do it, so perhaps it is not, but if so, why?
HodofHod's user avatar
  • 21.2k
8 votes
1 answer
672 views

Borrowed an egg from my neighbor, and found a bloodspot inside

If one borrowed an egg from a neighbor, and found a bloodspot inside, do they have to repay the egg? Should you say that since the neighbor would also throw away the egg if they found a bloodspot then ...
Gershon Gold's user avatar
8 votes
3 answers
378 views

How to salt a chicken at home?

I'm Sara Gittel from the Shtetl and I just got back to my home with my freshly shechted chicken that I had brought to our local Shochet. I seem to have forgotten though how to salt it. Can please you ...
Double AA's user avatar
  • 100k
7 votes
1 answer
310 views

Kashering non-Kosher meat + "minimizing a transgression"

Halacha has a strong tradition of "minimizing a transgression" when doing something forbidden, for example taking the shortest route possible when driving on the Sabbath. Applying the same logic, ...
יהושע ק's user avatar
6 votes
1 answer
316 views

What happened to the Nile in the week following the first plague?

According to the tosafist R' Yosef Bechor Shor, as cited in answers here and here, the Nile turned to blood only long enough to kill all the fish and then it turned back to water (which was now fouled ...
Monica Cellio's user avatar
6 votes
2 answers
2k views

What to do when finding blood in eggs

When cooking something with eggs, I always check the eggs for bloodspots. But I wonder, if I find a blood spot, do I need to throw the whole egg away or can I take the blood out with a spoon and use ...
Michael's user avatar
  • 61
6 votes
2 answers
1k views

Need to kasher a knife after sticking oneself

If I poked myself with a knife and possibly got blood on it; does it have to be kashered.
cookie monster's user avatar
5 votes
1 answer
201 views

Cesem found on someone with dark skin

A cesem that is found on a colored piece of clothing is tahar. What about someone with dark skin (they are of some ethnicity/race that has darker skin), could the same idea be applied in such a case ...
Yehoshua's user avatar
  • 16.1k
5 votes
0 answers
239 views

Does an open wound make one unfit to lay Tefillin?

In order to be fit to wear Tefillin one must have a guf naki, a clean body (Shulchan Arukh, Orach Chayyim 37:2) . Suppose one has an open wound or sore on one's skin and it is actively bleeding or ...
Ze'ev's user avatar
  • 1,813
5 votes
1 answer
192 views

Is the blood of a non-Kosher animal forbidden because of וכל דם לא תאכלו

Inspired by a recent chat discussion related to this question. Does the prohibition of וכל דם לא תאכלו - not eating blood - apply to non-Kosher animals? The Rambam writes: ודבר מפורש בתורה שאינו חייב ...
Yishai's user avatar
  • 32.2k
5 votes
1 answer
3k views

What is the significance of a Blood Moon in Judaism?

Is it true that the appearance of a Blood Moon is an omen in Judaism? And why it happens to be coinciding every time with a Jewish holiday since quite a while? I would like to know about the facts and ...
Maxood's user avatar
  • 911
4 votes
2 answers
204 views

What is the significance of sprinkling blood on/around the Mizbeahh?

Parashat WaYiqra details certain methods of sprinkling the blood of qorbanot on or around the Mizbeahh (and the Parokhet for that matter). For example, WaYiqra 1:5, 1:11, 1:15, 3:2, 3:8, 3:13, 4:6-7, ...
Lee's user avatar
  • 7,482
4 votes
1 answer
227 views

Can someone explain the meat-vinegar issue in 7th perek of Pesachym?

I have a question with regards to the sugya in Pesachym 74B regarding soaking meat in vinegar. To start with: if blood has already been purged, why soak in vinegar to remove the blood? how can the ...
inSeattle's user avatar
  • 863
4 votes
1 answer
527 views

Are there any Jewish sources that discuss vampires?

Are there any sources in Judaism that discuss vampires? I am aware that it is mentioned in the sefer hassidim but have not found any other source material. I am specifically curious if there are any ...
user avatar
3 votes
1 answer
381 views

Is it allowed to suck blood from a wound?

A natural reaction when cutting oneself (e.g., on a finger) is to suck out the blood. However the Torah writes (Vayikra 17:12-14 and other places) "עַל־כֵּן אָמַרְתִּי לִבְנֵי יִשְׂרָאֵל כָּל־...
mbloch's user avatar
  • 53.7k
3 votes
1 answer
2k views

There is Always Blood in Meat [duplicate]

All meat has at least some blood in it, no matter the form of kashering , salting or cooking. How much is too much? Why don't the red/pink blood-containing "juices" make meat eating forbidden?
Fredso's user avatar
  • 51
2 votes
3 answers
614 views

Is tearing the hymen something that should be avoided

I have always heard that tearing the hymen by beilas mitzva (first intercourse with a virgin after marriage) is a good thing and it should not be avoided (maybe to tear it is the mitzvah as it seems ...
hazoriz's user avatar
  • 7,606
2 votes
1 answer
429 views

Bracha on Dam Basulim

There is a bracha (blessing) made after the first time a Chosson and Kallah have relations in the case that she was a basuleh (when there was a complete bia.) The makor for this Bracha is the Rosh (...
Yehoshua's user avatar
  • 16.1k
2 votes
1 answer
398 views

Are gentiles forbidden from consuming blood?

The seven noachide laws prohibit eating the limb of a live animal and spilling the blood of another human being. My impression was that kashrut dietary restrictions, i.e. consuming non-kosher animals, ...
mttpgn's user avatar
  • 290
1 vote
1 answer
751 views

Why is red wine prescribed for Seder, and what does it represent?

I have not seen specific references describing what the red wine represent in the Seder, and why the red wine is preferred. I know Moses did not write about it, but the tradition of the cup developed ...
Michael16's user avatar
  • 329