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#fertility

8 posts8 participants2 posts today
Public
Psychedelic Institute

nature.com/articles/s41598-025 Effects of marijuana and tobacco on male fertility and their relationship to genetic variation of mitochondrial cytochrome C oxidase genes (Amor, et al, 2025) #cannabis #sperm #marijuana #male #fertility #drugsafety #harmreduction

NatureEffects of marijuana and tobacco on male fertility and their relationship to genetic variation of mitochondrial cytochrome C oxidase genes - Scientific ReportsAlthough tobacco smoking declined among men at reproductive age, the use of cannabis increased. The aim of our study was to determine the impact of tobacco and cannabis on sperm quality, sperm DNA integrity tested by Chromomycin A3 (CMA3) and acridine orange (AO) and their association to genetic variants in the Cytochrome C Oxidase 1, 2 and 3 genes (MT-CO1, MT-CO2, and MT-CO3). Semen samples were collected and divided into 37 non-smokers (NS), 39 tobacco smokers (TS), and 37 cannabis smokers (CS). MT-CO1, MT-CO2 and MT-CO3 genes were amplified by PCR and sequenced by Sanger. The results showed reductions in normal sperm morphology and non-progressive motility in TS and CS compared to NS (p < 0.001). However, immotile sperm, AO+, and CMA3 + scores were higher in the CS compared to TS and NS (p < 0.001). Twenty-three nucleotide substitutions (SNPs) detected in the MT-CO1 gene, 15 SNPs detected in the MT-CO2 gene, and 30 SNPs detected in the MT-CO3 gene. None of these SNPs was different between the three groups. Tobacco and cannabis smoking altered the motility and morphology of the spermatozoa and sperm DNA integrity but was not associated with genetic variants in the MT-CO1, MT-CO2 and MT-CO3 genes.
Public
Bích-Mây Nguyễn :verified:

"The elimination of the Centers for Disease Control and Prevention’s Assisted Reproductive Technology Surveillance team — a group of six epidemiologists, data analysts and researchers — shocked public health experts and IVF advocates who said they had felt encouraged by President Donald Trump’s comments supporting access to the infertility treatment."

nbcnews.com/health/health-news

NBC News · CDC's IVF team gutted even as Trump calls himself the 'fertilization president'By Berkeley Lovelace Jr.
#healthcare#ReproductiveHealth#ReproductiveJustice
Public
Daniel MacPhee 🔬🧬🧫🇨🇦

Canadian gynecologists concerned social media is reshaping perspectives about effective contraception methods
“The Society of Obstetricians and Gynaecologists of Canada issued a statement last fall outlining its concerns about social media influencers promoting fertility tracking apps as substitutes for hormonal contraception”
#Contraception #Fertility #Canada #FactsMatter
theglobeandmail.com/canada/art

The Globe and Mail · Canadian gynecologists concerned social media is reshaping perspectives about effective contraception methodsBy Kristy Kirkup
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