A search in the Pubmed database for "soursop cancer" (which is automatically expanded to ("annona"[MeSH Terms] OR "annona"[All Fields] OR "soursop"[All Fields]) AND ("neoplasms"[MeSH Terms] OR "neoplasms"[All Fields] OR "cancer"[All Fields]), so it will not only show exact matches) shows 43 results, though none of those are trials in humans.
One of those ...
There are many, many claims here. Some are very broad. (e.g. Cancer is not one disease.) I thought the best way to answer is to list some of the properties of garlic that have been subjected to meta-analysis by the Cochrane Collaboration.
Garlic may help with the prevention of cardiovascular morbidity and mortality in hypertensive patients, but isn't ...
Since 1986, Herbalife have been under a permanent injunction from the California Courts, which restrains it from
B. Representing that defendants' products contain herbs: (1) which in
and of themselves naturally curb the appetite; (2) which burn off
calories; or, (3) which naturally cleanse the system....
C. Representing that one who uses ...
Straight from the wikipedia article (emphasis my own):
Research carried out in the Caribbean has suggested a connection between consumption of soursop and atypical forms of Parkinson's disease due to the very high concentration of annonacin.
According to Cancer Research UK, Annona muricata is an active principle in an unlicensed herbal ...
TL:DR - No.
The answer to this question is basically going to be "Does more sugar contribute to constipation?"
A brief explanation from Sciencebuddies.org:
The key enzymes involved in fruit ripening are amylase and pectinase. Amylase breaks down starch to produce simple sugars, so is responsible for the increasing sweetness of a ripening fruit. ...
Ginger has anti-inflammatory properties. It inhibits the induction of several genes involved in the inflammatory response . It mostly modulates biochemical pathways activated in chronic inflammation. It also enhances thermogenesis and reduces feelings of hunger .
When it comes to anti-viral effects, it was found that fresh ginger is effective against ...
See this article for more information on this. The study showed that memory is improved (irrespective of mood and arousal levels) when completing memory tasks with the smell of rosemary essential oils present.
The study was completed by Dr Jemma McCready and Dr Mark Moss from the University of Northumbria, England and concludes that:
The results showed ...
A cursory search finds no supporting (non-anecdotal) evidence for or against smoking oregano for recreational usage.
A 1972 article from Human Pathology mentions oregano as a substance that can be passed off as pot to fool the buyer:
Occasionally the buyer is "burned" and finds that he may be smoking oregano, catnip, or even grass clippings.1
The US ...
As per Medical Herbalism, "The major odor principle of garlic, allicin is produced from the amino acid alliin by the enzyme alliinase when exposed to air. In both laboratory and clinical studies, allicin has demonstrated antidiabetic, antihypertensive, antibiotic, and hypolipidemic activities. It also enhances fibrinolytic activity in the blood and inhibits ...
The ripeness of the banana can change its digestibility.
This paper is useful for addressing this claim:
Digestion of the carbohydrates of banana
(Musa paradisiaca sapientum) in the
human small intestine
From the paper:
potatoes are used as a food, the starch granules
must be gelatinized before they become susceptible
to enzymic hydrolysis (...
Is there anything to suggest arnica tablets reduce bruising?
The results seem to suggest probably not. Though, according to one paper, topical arnica seemed to perform almost as well as 5% vitamin K cream.
I include four papers I was able to find testing arnica on bruising. Two of which are homeopathic arnica, the other two are topical arnica.
Although I consider the answer provided by Berry120 a comprehensive one, in addition to it I would like to quote the main conclusions of the review on health benefits of garlic published in the BioMedicine Journal this year (2012).
Does garlic lower cholesterol and reduce blood pressure?
the potent antiinﬂammatory action of garlic and its sulfur-...
Stinging nettle is apparently used since ancient times, also for the problems or diseases indicated in the question:
Some popular medicinal plants and diseases of the Upper Palaeolithic in Western Georgia. (2015)
U. dioica is considered a good remedy for rheumatism, asthma, anaemia and gout (Launert, 1981; Foster and Duke, 1990; Adams et al., 2009; ...
At typical dosages, Menthol's side effects do not include drowsiness. They do include:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); redness or irritation at the application site. [source]
At overdose levels, Menthol's side-effects do not include ...
From The National Center for Complementary and Alternative Medicine: http://nccam.nih.gov/health/aloevera
What the Science Says:
Aloe latex contains strong laxative compounds.
Products made with various components of aloe (aloin, aloe-emodin, and
barbaloin) were at one time regulated by the FDA as oral
over-the-counter (OTC) laxatives. In 2002, ...
No, there is not enough evidence for this claim, according to the NIH:
What the Science Says
A few small studies have found that fenugreek may help lower blood sugar levels in people with diabetes.
There is not enough scientific evidence to support the use of fenugreek for any other health condition.
Fenugreek. Natural ...
No, it doesn't. There is no evidence to support that.
The claims in the question are based on a more than 20 years old study which assessed subjective symptoms:
We administered 20 ml of Yomeishu (YMS) twice a day before meals for 12 weeks to 50 post-operative patients in gynecology and then inquired into their subjective 20 symptoms (sense of fatigue, ...