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14 votes
Accepted

Is a Kohen Allowed to Receive an Organ Donation?

Quoted from the book Healing in Halacha By Rabbi Micha Cohn (page. 245-247 Mosaica Press 2016) Rav Moshe Feinstein (Iggros Moshe Yoreh Deah 1:230), wrote on the opinions of a contemporary Rabbi ...
Shoel U'Meishiv's user avatar
11 votes

Why does water purify?

R Aryeh Kaplan in his beautiful book Waters of Eden (also part of his Anthology vol. 2) writes this is a chok (law without explicit reasons) and cites Bamidbar Rabbah 19:8 By your lives, a dead ...
mbloch's user avatar
  • 52.7k
8 votes
Accepted

Newlyweds: Only four days before Hefsek Tahara?

This opinion is cited in the Taz YD 193 sk 4 and 196 sk 5. The idea is roughly that for hymenal bleeding, which only effects a Niddah Derabanan, there is no need to be stringent to add a 5th day. ...
Double AA's user avatar
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8 votes

Removing Niddah status without a mikvah

Shulchan Arukh (YD 201:1) writes: אין האשה עולה מטומאתה ברחיצה במרחץ ואפילו עלו עליה כל מימות שבעולם עדיין היא בטומאתה וחייבים עליה כרת עד שתטבול כל גופה בבת אחת במי מקוה או מעיין שיש בהם מ' ...
Double AA's user avatar
  • 99.5k
8 votes
Accepted

Why don’t Sheretzs made into a Streimel convey tumah?

Once a hide is tanned, even a bit, it no longer conveys impurity (Chullin 9:2).
Double AA's user avatar
  • 99.5k
8 votes
Accepted

All men today are safek zav?

Tzitz Eliezer X:1 and Minchat Yitzchak V:1 both quote the opinion of Chazon Nachum Kelim 1:6 that nowadays one needs to treat himself as a zav, and use this as part of their arguments to prohibit ...
Joel K's user avatar
  • 43.7k
7 votes

Jews were on 49th level of Tumah. Says who?

Here is a picture of the Zohar with the perush masok midvash on bottom. It is zohar charash yisro on daf lamed tes amud aleph in the original Zohar print.
RabbiS's user avatar
  • 71
7 votes
Accepted

Does food under bed become tamei?

Such an idea is found in a passage in Pesahim (112a) which states that a ru'ah ra'ah rests on food and drinks placed under a bed. Elsewhere, ru'ah ra'ah is explained by Rashi as meaning a malevolent ...
mevaqesh's user avatar
  • 35.7k
7 votes

When can I attend service (Shabbat) after seminal emission?

The problem, as I understand it, is that your struggle is causing you to be distanced from normal, healthy mitzva behavior. Dr. Yocheved Debow writes about this phenomenon in her guide for educators.. ...
Shalom's user avatar
  • 133k
7 votes

May a Kohen bury limbs of his 7 krovim (first degree relatives) which were removed during their lifetime?

YD 373:9 אין הכהן מיטמא לאבר מן החי מאביו, ולא לעצם מעצמות אביו. וכן המלקט עצמות אינו מיטמא להם אע"פ שהשדרה קיימת. חסר ממנו כל שהוא -- אפי' הוא מונח אצלו -- אינו מיטמא לו; שאינו מיטמא אלא לשלם. ...
Double AA's user avatar
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7 votes
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Why didn't people conceal Tzaraat?

According to Sefer HaChinuch (Positive Commandment 169) there is an obligation incumbent upon someone afflicted with suspected tzara'at to show it to a kohen: שמצוה היא עלינו שכל מי שיהיה מצרע ...
Joel K's user avatar
  • 43.7k
7 votes
Accepted

Does a woman who gives her eggs become yoledet

If there is no vaginal delivery, there is no din of yoledes. In fact, Shulchan Aruch YD 194:14 says that in the rare case of a caesarean birth that had zero vaginal discharge, there is no din of ...
Chatzkel's user avatar
  • 13k
7 votes
Accepted

Why are Kohanim not careful about contracting Tummas Meis from other live individuals?

See Rambam Hilchot Evel 3:1-2. The prohibition is for a kohen to come into "contact" (via maga, masa or ohel) with a corpse or part of a corpse (which is capable of imparting tum'ah). There ...
Joel K's user avatar
  • 43.7k
6 votes
Accepted

Can mikvah water become tamei?

Water in a Mikvah does not become Tamei. (Actually, Tamei water is the only food/drink which can become Tahor again, and this is by connecting it to a Mikvah (Mishna, Beitza 2:3).) See the first ...
Double AA's user avatar
  • 99.5k
6 votes
Accepted

Why can you buy dry fruit from an Am Ha'aretz?

The Tosfos Yom Tov actually answers your question! (Source from Sefaria.org) ואינו לוקח ממנו לח. כתב הר"ב אבל יבש וכו' ונאמן עם הארץ לומר הפירות הללו לא הוכשרו וכו'. הכי תני בירושלמי. וטעמא דהא ...
TrustMeI'mARabbi's user avatar
6 votes
Accepted

When can I attend service (Shabbat) after seminal emission?

Regarding attending prayer services, the issue is not the ritual impurity. The issue is that Ezra promulgated a decree that a ba'al keri (one who had an emission) cannot recite Torah, prayers, etc. ...
Alex's user avatar
  • 49.5k
6 votes
Accepted

What is the process for purifying your home if you believe it may have been previously used for pagan worship?

This is explicitly addressed in Avodah Zarah 3:7: שְׁלשָׁה בָתִּים הֵן. בַּיִת שֶׁבָּנוּי מִתְּחִלָּה לַעֲבוֹדָה זָרָה, הֲרֵי זֶה אָסוּר. סִיְּדוֹ וְכִיְּרוֹ לַעֲבוֹדָה זָרָה וְחִדֵּשׁ, נוֹטֵל מַה ...
DonielF's user avatar
  • 34.3k
6 votes
Accepted

Machshirin 1:6: Chazon Ish's defence's of Bartenura's peirush

The Chazon Ish (2:2) is saying that moisture leaving the mouth is an intrinsic part of the act of blowing from the mouth. The fact that you blew intentionally means that the moistening was part of the ...
b a's user avatar
  • 24.8k
6 votes
Accepted

Do the items a Baal Keri touch become impure?

Rambam in Hilchot She'ar Avot HaTum'ah 5:1 rules that a ba'al keri has the status of a rishon le-tuma'h. As such, he would only impart impurity to food or drink which he touches, but not anything else ...
Joel K's user avatar
  • 43.7k
6 votes
Accepted

IDF ceremony on the Temple Mount

R Shlomo Goren and his autobiography (With might and strength) explains that he was at the Dome of the Rock the day it became liberated and saw it as a special one-time opportunity. He writes he went ...
mbloch's user avatar
  • 52.7k
6 votes

If one plants tamei terumah, is the gedulin [product] also tamei?

The Mishnah in Terumos 9:7 says that they become regular teruma but can’t be eaten as a chumra: שְׁתִילֵי תְרוּמָה שֶׁנִטְמְאוּ, שְׁתָלָן, טָהֲרוּ מִלְּטַמֵּא, וַאֲסוּרִין מִלֶּאֱכֹל עַד שֶׁיָּגֹם ...
Chatzkel's user avatar
  • 13k
5 votes
Accepted

Why make the Kohen burning the Para Aduma rabbinically impure?

The Ritva asks this very question on Yuma daf 2a and answers it. לפיכך בשעת שריפתה היו נוגעין בו כדי לטמאו: ואף על גב דטומאה זו אינה אלא מדרבנן הא אית בה הכירא לצדוקין שיודעין היו דלדידן טהרת ...
user15464's user avatar
  • 11.5k
5 votes

A wife wants to stop going to the mikva. What does that mean for the husband?

You might explain it to your wife like this: Judaism makes the most important things in life mandatory rather than optional. It is not optional for a Jew to pray. It is not optional for him to have ...
SAH's user avatar
  • 19.9k
5 votes

Is flying over Har Habayis allowed?

This question assumes that it's forbidden to enter certain parts of the Har Habayit nowadays, since we are all Ritually Unclean, which is how the Rambam paskens. For the record, the ראב"ד argues. (...
Danny Schoemann's user avatar
5 votes

Why sprinkle on the third day?

R' Samson Raphael Hirsch, in his grand exposition of the symbolism in the red heifer procedure1, relates the third and seventh days of the procedure to the Third and Seventh Days of Creation and to ...
Isaac Moses's user avatar
  • 48.1k
5 votes

Until when were the red heifer ashes still in use?

Sefer Hatteruma addresses this issue (closely imitated in Hilchot Erets Yisra'el attributed to the Tur). They bring a few examples that prove that the ashes of the red cow were still in use after the ...
b a's user avatar
  • 24.8k
5 votes
Accepted

Why is marble not considered a stone?

Rambam is based on Nega’im 12:2, which states (based on Vayikra 14:45) that a house needs to be composed of stone, wood and earth in order to contract tzara’at impurity, and that marble does not count....
Joel K's user avatar
  • 43.7k
5 votes

Touching the hands of a Jew who didn't wash netilat yadayim in the morning

In addition to the כף החיים, the שו"ת לב חיים (ח"א סימן ס"ה) and the בו איש חי (תולדות י"ב) also say that if one touches someone's hands that didn't wash his hands, one should wash ...
Yoreinu's user avatar
  • 2,089
5 votes
Accepted

Does the Oral Torah have a law against 'common' animals?

You'd have to define your terms better, but a live kosher animal (let's say a cow) remains kosher even if it touches a pig. Whatever you're describing doesn't ring any bells. Off the top of my head, ...
Shalom's user avatar
  • 133k
4 votes
Accepted

What does it mean to be contaminated until the evening after immersion?

After immersion from a first-order impurity, a person or vessel remains somewhat impure until sundown (called "Tevul Yom"). (Rambam, Shar Avot HaTumah 10:1) A Tevul Yom who touched Terumah renders it ...
Double AA's user avatar
  • 99.5k

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