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15 votes

Would Noahides be required to eat kosher meat?

Your question seems to be predicated on understanding Bereishit 9:4 אַךְ־בָּשָׂ֕ר בְּנַפְשׁ֥וֹ דָמ֖וֹ לֹ֥א תֹאכֵֽלוּ׃‏ You must not, however, eat flesh with its life-blood in it. as a ...
Joel K's user avatar
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14 votes
Accepted

Why isn't the lamb blood on the lintel and the doorposts an eternal commandment?

So the verses go like this: 21: Slaughter a lamb. 22: Put blood on the door and stay inside. 23: [Why?] The blood will prevent being smitten as God smites Egypt. 24: Do this in future generations too. ...
Shalom's user avatar
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13 votes
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Is donating blood a mitzvah?

HaRav Eliezer Waldenberg zt"l has a famous piece in his Tzitz Eliezer (vol 16, siman 23). He notes that it is definitely a mitzvah but one is not obligated (and would in fact be forbidden, if it ...
Dov's user avatar
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11 votes

Is donating blood a mitzvah?

R Abraham S. Abraham, the author of the Nishmat Avraham compendium of medical halacha, writes (vol 2, p. 346) Rav [Shlomo Zalman] Auerbach wrote to me that he also permits donating blood to the blood ...
mbloch's user avatar
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10 votes
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Why the lack of hesitance to wear pads on the sabbath?

At Yoatzot.org here, they answer as follows: If the sole purpose is to protect the woman's clothing, the sanitary napkin should not be worn. But generally speaking, most women are also concerned ...
רבות מחשבות's user avatar
8 votes

Why isn't the lamb blood on the lintel and the doorposts an eternal commandment?

R Avraham ibn Ezra reads the verses precisely as you do but bows his head to rabbinic tradition. Second Commentary Shemot 12:24 AND YE SHALL OBSERVE THIS THING. Many are of the opinion that the ...
Nahum's user avatar
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7 votes

Are converts to Judaism considered inferior in any way to Jews who are ethnically Jewish?

Note the Mishnah in Horayos 13a: כהן קודם ללוי. לוי לישראל. ישראל לממזר. וממזר לנתין. ונתין לגר. וגר לעבד משוחרר. אימתי בזמן שכולן שוין. אבל אם היה ממזר תלמיד חכם. וכהן גדול עם הארץ. ממזר תלמיד חכם....
DonielF's user avatar
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5 votes

What kind of blood did the Nile turn into?

The Daat zekeinim and Riva (Shmos 7:18) are of the opinion that it just looked like blood, but it tasted like regular water (still the Egyptians didn't drink from it because it stunk from the dead ...
Bach's user avatar
  • 2,773
5 votes

Are gentiles forbidden from consuming blood?

Rav Yirmiyahu Kaganoff writes, Although a non-Jew may not eat the flesh of a living animal, he may eat blood drawn from a living animal (Rambam, Hilchos Melachim 9:10; cf. Gemara Sanhedrin 56b ...
NJM's user avatar
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5 votes

Is it allowed to suck blood from a wound?

This happened to me recently so I looked (post facto) for the answer. R David Sperling gives background here The Shulchan Aruch (Yoreh De'ah 66:10) states that human blood, after it has left the body,...
mbloch's user avatar
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5 votes

Is donating blood a mitzvah?

See Rav Shmuel Halevi Wosner(Vozner) in his Shevet Halevi who says definitively that it is a mitzvah. See as well Rav Avraham Abraham in his Nishmas Avraham(Vol. 3(Even Haezer), Siman 80, Os 1) who ...
MosheMoskowitz's user avatar
4 votes
Accepted

Nosebleed during fast

O.C. 554:9 says that one may wash his hands to remove dirt or feces. I would assume that blood on ones hands is considered "dirt" for this purpose. One should wash just the area containing the dirt ...
DanF's user avatar
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4 votes
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Is there an obligation to check blood spots in non-chicken eggs

The Shulchan Aruch doesn't specify chicken eggs, or any other kind of eggs. It would seem that there is an equal obligation to check any kind of egg for blood spots. And the reason for checking for ...
Esther's user avatar
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3 votes
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Why is red wine prescribed for Seder, and what does it represent?

Ultimately, Seder night is one of constant symbolism as we endeavour to imagine that we ourselves are leaving Egypt. In this regard, the red wine helps serve as a reminder of this process. The ...
Dov's user avatar
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3 votes

Prohibition to eat blood

In regards to eating the blood of a fish, the Rambam in Mishnah Torah, Ma'achalos Asuros 6:1 writes: אֲבָל דַּם דָּגִים וַחֲגָבִים וּשְׁקָצִים וּרְמָשִׂים וְדַם הָאָדָם אֵין חַיָּבִין עָלָיו ...
alicht's user avatar
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3 votes
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The Gemara says (mesechet shabbat) that one can survive with a rivi'it of blood

Rashi indeed seems to indicate like the OP’s assumption: רביעית דם - חיי אדם תלויים בה A Revi’is of blood - the life of a person depends on it The Gemara in Sotah 5a takes this even further: ...
DonielF's user avatar
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3 votes

What's the meaning of not eating animals with blood?

As with all mitzvos, there are various reasons suggested. The Torah says in various ways כי דם הוא הנפש (Vayikra 17:11, Vayikra 17:14, Devarim 12:23), the soul is connected to the blood of a living ...
robev's user avatar
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3 votes

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

Rambam’s source seems to be an explicit mishnah in Kereitot 5:1: דַּם שְׁחִיטָה בִּבְהֵמָה, בְּחַיָּה וּבְעוֹפוֹת, בֵּין טְמֵאִים וּבֵין טְהוֹרִים ... חַיָּבִים עָלָיו ... דַּם דָּגִים, דַּם ...
Joel K's user avatar
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3 votes

Is tearing the hymen something that should be avoided

Rabbi Yitzḥak said: All of those women from the household of Rabbi Yehuda HaNasi who break their hymens are named Tamar by nickname.- Yevamot.34b see Rashi there it seems it might be positive behavior ...
Steven Edelstein's user avatar
3 votes
Accepted

Hemorrhoids on Shabbos

According to Shulchan Aruch 328, 22-23, see also sayf 26. To use a wipe seems as in sayif 22, to clean the injury, the blood is generally already here and it is not really a new bleeding. "Migh cause ...
kouty's user avatar
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3 votes

Why isn't the lamb blood on the lintel and the doorposts an eternal commandment?

Edit: Thanks to DoubleAA. These questions can almost always be answered by looking at the context. In this case, the context is the next three verses: “And it will be, when you come to the land that [...
QwertyCTRL.'s user avatar
2 votes

There is Always Blood in Meat

What you call blood is not what the Torah calls blood It has nothing to do with the amount only blood that is separated from the meat, or gathered together or moved (started to get out and stopped) ...
hazoriz's user avatar
  • 7,546
2 votes

What is the significance of a Blood Moon in Judaism?

We ascribe significance to lunar eclipses (Sukkah 29a), of which blood moons are a subset. The reason they occur so often on Jewish holidays is probably because we have holidays on or around the full ...
DonielF's user avatar
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2 votes

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

Rabbeinu Bachya/Bechaye to Shemos 7:22 offers a number of approaches, some of which he rejects: Only the Yeor/Nile turned to blood Only water aboveground turned to blood (see ibn Ezra in answer above)...
רבות מחשבות's user avatar
2 votes

Cesem found on someone with dark skin

The poskim at Dinonline answered this very question saying, Chut Shani (Rav Nissim Karelitz, Niddah, Shaar Ha-Zion 168) writes that this is a matter of doubt. However, it stands to reason ...
NJM's user avatar
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2 votes

How to salt a chicken at home?

Something which has actually been skipped is the fact that the water used to wash it and soak it before salting must all be cold. If the meat comes in contact with hot water the halachah is that the ...
Sam Levy's user avatar
2 votes

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

This can be explained with the interpretation of R. Yosef Bechor Shor. In his commentary to Exodus 7:20 he writes as follows: נראה לי שלא נעשה היאור דם אך אותה שעה ובאותה שעה שנקרש ונעשה דם מתה הדגה ...
Alex's user avatar
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2 votes

What's the meaning of not eating animals with blood?

The Torah basically tells us the reason. Leviticus 17:10-12 says: וְאִישׁ אִישׁ מִבֵּית יִשְׂרָאֵל, וּמִן-הַגֵּר הַגָּר בְּתוֹכָם, אֲשֶׁר יֹאכַל, כָּל-דָּם--וְנָתַתִּי פָנַי, בַּנֶּפֶשׁ הָאֹכֶלֶת ...
Double AA's user avatar
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2 votes

The Gemara says (mesechet shabbat) that one can survive with a rivi'it of blood

Assuming your affirmation that "<60% : lethal" (--> sources?) In math this is called a necessary but not sufficient condition. Our Sages knew that, the smallest vital amount of blood is a revi'it....
yO_'s user avatar
  • 1,515
2 votes
Accepted

Drinking human blood case permissibility

There is a halacha known as Bal Teshaktzu which prohibits from engaging in any activity that could be viewed as disgusting (see e.g., Avoda Zara 68b). Whether this applies to blood can be derived from ...
mbloch's user avatar
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