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The potential applications of mushrooms against some facets of atherosclerosis: A review

Amirullah NA, Zainal Abidin N, Abdullah N

Food Res Int, 2018 03;105:517-536.
PMID: 29433243 DOI: 10.1016/j.foodres.2017.11.023

Atherosclerosis is a complex pathology that involves several factors in its development, like oxidative stress, inflammation, hyperlipidemia, platelet aggregation and thrombus formation. Several drugs and therapeutic approaches have been developed to handle these aspects of atherosclerosis. However, some of these treatments can be costly and have undesirable side effects. Many constituents of mushrooms have been shown to have potential anti-atherosclerotic effects in several in vitro and in vivo studies. Recently, the possible mechanisms in which they exert these effects have also been elucidated. In this review, some of the research focusing on mushrooms and their potential anti-atherosclerotic effects are examined. Many mushroom species exhibited anti-oxidative, anti-inflammatory and hypolipidemic effects that can potentially attenuate the progression of atherosclerosis, either through their isolated compounds or use of crude extracts. More studies are focused on the effect that mushrooms have on gene expressions that are involved in oxidative stress, inflammation, and hyperlipidemia. These studies could provide us with a better understanding on the mechanisms in which the consumption of mushrooms could exert their possible anti-atherosclerotic effects. Further research needs to be done to uncover other possible mechanisms that are affected by mushroom use.
Calibrating different sounds for sound therapy: A general guide

Amirullah NA, Rahmat S, Dzulkarnain AAA, Maamor N, Jamaludin MKA, Che Azemin MZ

Med J Malaysia, 2022 Jan;77(1):12-19.
PMID: 35086989

INTRODUCTION: Sound therapy is one of the complementary or alternative interventions for various populations. The intensity of the sounds for sound therapy needs to be properly calibrated to ensure their accuracy and effectiveness. This paper aims to provide a general guideline for calibrating sound files using free software, specifically Audacity®.
MATERIALS AND METHODS: Six sounds (broadband noise, rain, ocean, waterfall, Quranic chapters Al-Fatihah, and Yasin recitations) were calibrated at the intensity levels of 45, 50, 55, 60, 65, 70, 75, and 80dBA. The sounds were delivered through a pair of Sennheiser HD 280 Pro headphones connected to the Sound Blaster X-Fi Surround 5.1 Pro sound card. The long-term average of the sound pressure level over the time of recording (LAseq) was recorded using the 3M SoundPro Class 1 1/3 Octave RTA sound level meter (SLM). The desired intensity levels were obtained by making adjustments to the sound files via the Audacity® software.
RESULTS: All sound files were calibrated at the targeted levels as verified by the value of LAseq.
CONCLUSIONS: Calibration of audio files can be done using a free/open-source software, as all six sound files were successfully calibrated at the targeted levels of 45, 50, 55, 60, 65, 70, 75, and 80dBA. The calibration steps provided in this paper can be easily applied by other researchers for similar purposes, with precautions when calibrating at low levels.
Fulltext Criterion-Related Validity of the Sugar-Sweetened Beverage (SSB) Questionnaire Among Children and Adolescents in Malaysia

Bakeri NA, Amirullah NA, Sulaiman N, Gan WY, Loh SP, Ahmad Fuzi SF, et al.

Cureus, 2024 Jun;16(6):e61984.
PMID: 38984009 DOI: 10.7759/cureus.61984

Sugar-sweetened beverages (SSBs) are a major source of dietary sugar, and their consumption is on the rise among children and adolescents. Excessive sugar intake is a significant contributor to overweight, obesity, and non-communicable diseases (NCDs). The consumption of SSBs, particularly that of children and adolescents, has been of interest as of late, as they are implicated in affecting body weight status. Thus, the goal of this study was to determine the predictive criterion-related validity of the SSB questionnaire that was administered to children and adolescents to assess their SSB and non-SSB intake. A nationwide cross-sectional study involving 5211 respondents aged 7-17 years old and their parents was conducted. The self-administered Malay questionnaire was distributed to collect information on socioeconomic background, the frequency of eating out at restaurants or other food premises, the availability of SSBs at home, and SSB consumption patterns of children and adolescents within a week. The predictive criterion-related validity was determined by using six hypotheses that can differentiate between two independent sample means of SSB consumption based on age, gender, locality, monthly household income, frequency of eating out at restaurants or other food premises, and availability of SSBs at home. The independent samples t-test and one-way ANOVA were used to conduct the validation process. Five out of six hypotheses were accepted. Significant mean differences were observed between sociodemographic factors, such as age (t=-10.56, p<0.001), localities (t=-5.37, p<0.001), monthly household income (F=26.83, p<0.001), and SSB consumption. Behavioural factors, including eating out at restaurants or other food premises (t=9.93, p<0.001) and environmental factors such as the availability of SSBs at home (F=136.24, p<0.001) also showed a significant difference with SSB consumption. The SSB questionnaire demonstrated the ability to differentiate between groups. Thus, this SSB questionnaire appears to be valid to measure the SSB consumption of children and adolescents.

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