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L-Carnitine May Benefit in vitro Fertilization

Alright, today I'll quickly discuss a study that looked at the potential for using L-carnitine supplementation in women undergoing in vitro fertilization (IVF). L-carnitine has been studied to a much greater extent in men with fertility issues, but not so much in women (BTW, I've scheduled another L-carnitine study--this time on male infertility--for Friday).


Probiotic E. coli

Say wha?! Yes, that's right...probiotic E. coli. Many reading this may have heard me speak about probiotics, and I almost always use E. coli as an example of why strain identification is so important. This new study on the Nissle 1917 strain of E. coli is another example.

E. coli gets a bad reputation because certain strains, like O157:H7 can cause sever GI distress, or even death, when ingested in very tiny amounts (which also leads into a discussion on potency being strain-specific). However, other strains like Nissle 1917 have probiotic activity--meaning that they exert a health benefit when ingested in certain amounts.


Low Omega-3 Again Linked to ADHD Symptoms

A short post for those with short attention spans...

A study of 63 children and adolescents (with and without ADHD) revealed that lower omega-3 fatty acids may be associated with impaired emotion processing in ADHD children. Results revealed that children with ADHD had lower mean omega-3/6 and ERP abnormalities in emotion processing, independent of emotional valence relative to control children. ERP abnormalities were significantly associated with lower omega-3 levels in the ADHD group. Researchers concluded that children and young adults with ADHD have lower omega-3 levels and that supplementation with omega-3 can improve both ADHD and affective symptoms.

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Source: Omega-3 fatty acids are related to abnormal emotion processing in adolescent boys with attention deficit hyperactivity disorder

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Studies Confirm Vitamin K for Bone & Cardio Benefits

It's been two weeks since my last post! Not only has it been slow in finding interesting studies to report, but I also took vacation time off last week...not that you care, but I do.  :)

Anyway, here are two studies on vitamin K, one on K1 and the other on Mk-4.

In a case-cohort designed study analyzing data from 296 people with extreme coronary artery calcium (CAC) progression, compared with data from 561 healthy controls, low serum vitamin K1 was significantly associated with CAC progression in anti-hypertension medication users. According to the authors, "intervention trials are needed to determine whether improving serum vitamin K1 reduces CAC progression, especially in hypertensives."