Consumers may want to rethink popping fish oil pills if they're hoping those supplements full of omega-3 fatty acids will keep their brains healthy.
A new study--one of the largest and longest in duration of its kind--finds that taking omega-3 supplements did not slow cognitive decline among 4,000 participants.
"The supplements just don't cut it," said Elizabeth Chew, deputy clinical director at the National Eye Institute, part of the National Institutes of Health. "If people are thinking [taking them] is going to help cognitive function, it's not going to do so among the older age group."
A much better bet for all-around brain and heart health, she said, is eating foods naturally high in omega-3 fatty acids, such as salmon, flaxseed and walnuts.
Omega-3 supplements are available over the counter and often promoted as enhancing brain health. Fish oil pills are among the most popular dietary supplements in the United States.
In the study, Chew and her team enrolled participants who were at risk for developing age-related macular degeneration, a major cause of vision loss among older Americans. They were investigating the possible cognitive benefits of omega-3 supplements.
The participants were randomly assigned to one of four groups. At the beginning of the study, they were tested on their immediate recall, attention and memory, and then tested two and four years later.
Researchers said they found that taking the omega-3 supplements had "no statistically significant effect on cognitive function."
Researchers were quick to point out that the study, published in the Journal of the American Medical Association, only looked at the impact of supplements, not foods high in omega-3 fatty acids.
Their study was also limited to older participants, with an average age of 73.
"We don't know whether these supplements might be beneficial at an earlier age," Chew said. "At 73, it's very hard to turn the clock back."
There have been many observational studies linking omega-3 fatty acids to brain health, she said, but few randomized clinical trials.
A large 2011 study found that omega-3 supplements did not improve the brain health of older patients with pre-existing heart disease, she said.
The Washington Post
Wed Aug 26 2015
![Omega 3 is still good for the brain, but fish oil supplements found lacking Omega 3 is still good for the brain, but fish oil supplements found lacking](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/http://img.astroawani.com/2015-08/41440583080_omega.jpg)
Researchers said they found that taking the omega-3 supplements had "no statistically significant effect on cognitive function." - File Photo
![Golongan belia pemacu penting bentuk masa depan industri pembuatan Malaysia - FMM Golongan belia pemacu penting bentuk masa depan industri pembuatan Malaysia - FMM](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-05/41715247870_SohThianLaijpg.jpg)
Golongan belia pemacu penting bentuk masa depan industri pembuatan Malaysia - FMM
Pemimpin perniagaan dan usahawan daripada golongan belia merupakan pemacu penting yang akan membentuk masa depan industri pembuatan Malaysia, kata Presiden Persekutuan Pekilang-Pekilang Malaysia.
AWANI Tonight: 16 July 2024
#AWANITonight with @Hafiz_Marzukhi
1. Govt mulls amending Penal Code to deal with cyberbullying
2. England's Southgate resigns after Euro 2024 Final defeat
#AWANIEnglish #AWANINews
1. Govt mulls amending Penal Code to deal with cyberbullying
2. England's Southgate resigns after Euro 2024 Final defeat
#AWANIEnglish #AWANINews
![Empat individu termasuk pasangan pempengaruh bebas tahanan reman Empat individu termasuk pasangan pempengaruh bebas tahanan reman](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-05/41716613114_TBsprm.jpg)
Empat individu termasuk pasangan pempengaruh bebas tahanan reman
Kesemua individu juga perlu hadir ke pejabat Suruhanjaya Pencegahan Rasuah Malaysia (SPRM) sebulan sekali untuk melaporkan diri.
![KPT alu-alukan syor PAC guna garis panduan pelaburan universiti awam untuk anak syarikat KPT alu-alukan syor PAC guna garis panduan pelaburan universiti awam untuk anak syarikat](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/81719822088_ZambryAbdKadir.jpg)
KPT alu-alukan syor PAC guna garis panduan pelaburan universiti awam untuk anak syarikat
KPT mengalu-alukan cadangan PAC berhubung pelaksanaan dan pemakaian Garis Panduan Pelaburan dan Pembiayaan oleh Universiti Awam 2024, kepada anak-anak syarikat di bawah seliaan kementerian itu.
![SUKMA 2024: Sepak takraw wanita mungkin digugurkan SUKMA 2024: Sepak takraw wanita mungkin digugurkan](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/61720679430_AbdulKarimRahman.jpg)
SUKMA 2024: Sepak takraw wanita mungkin digugurkan
Sepak takraw wanita berpasukan berkemungkinan akan digugurkan daripada senarai acara temasya Sukan Malaysia (SUKMA) 2024 berikutan jumlah penyertaan kurang daripada jumlah minimum yang ditetapkan.
10 Berita Pilihan - (16 Julai 2024)
Antara pelbagai berita dalam dan luar negara yang disiarkan di Astro AWANI, berikut adalah yang paling menjadi tumpuan sepanjang hari ini.
![Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-12/41702437730_maut.jpg)
Enam rakyat Vietnam ditemukan maut di sebuah hotel di Bangkok
Enam orang ditemukan maut di sebuah hotel di Bangkok, Thailand pada Selasa laporan media tempatan yang memetik polis Bangkok.
AWANI 7:45 [16/07/2024] - Suspek dibawa ke lokasi | Selamat tinggal rakyat Malaysia | Harimau Malaya hilang taring?
- Polis sahkan suspek bunuh Kartini anggota polis.
- Pan-Gon enggan dedah punca letak jawatan.
- Faisal Halim sedih mentor Pan-Gon undur diri.
- Pakai reben putih di Parlimen, tak salah.
- Pan-Gon enggan dedah punca letak jawatan.
- Faisal Halim sedih mentor Pan-Gon undur diri.
- Pakai reben putih di Parlimen, tak salah.
![Isteri calon gandingan Trump letak jawatan di firma guaman Isteri calon gandingan Trump letak jawatan di firma guaman](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2024-07/41721139141_TBJDUSHA.jpg)
Isteri calon gandingan Trump letak jawatan di firma guaman
Usha Vance, isteri kepada Senator J.D. Vance yang dipilih sebagai calon gandingan bekas presiden Amerika Syarikat (AS) Donald Trump awal minggu ini, telah meletakkan jawatannya di sebuah firma guaman,
![Najib fail permohonan di mahkamah rayuan cabar Titah Adendum Najib fail permohonan di mahkamah rayuan cabar Titah Adendum](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-05/71683779541_TBNAJIBRAZAK.jpg)
Najib fail permohonan di mahkamah rayuan cabar Titah Adendum
Berdasarkan sistem e-filing mahkamah, rayuan itu telah ditetapkan untuk pengurusan kes pada 7 Oktober ini.